248309460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:675

約数の個数: 216

約数和(自身を含む): 896313600

約数和(自身を除く): 648004140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 49, 60, 63, 70, 84, 90, 94, 98, 105, 126, 140, 141, 147, 180, 188, 196, 210, 235, 245, 252, 282, 294, 315, 329, 420, 423, 441, 470, 490, 564, 588, 599, 630, 658, 705, 735, 846, 882, 940, 980, 987, 1198, 1260, 1316, 1410, 1470, 1645, 1692, 1764, 1797, 1974, 2115, 2205, 2303, 2396, 2820, 2940, 2961, 2995, 3290, 3594, 3948, 4193, 4230, 4410, 4606, 4935, 5391, 5922, 5990, 6580, 6909, 7188, 8386, 8460, 8820, 8985, 9212, 9870, 10782, 11515, 11844, 11980, 12579, 13818, 14805, 16772, 17970, 19740, 20727, 20965, 21564, 23030, 25158, 26955, 27636, 28153, 29351, 29610, 34545, 35940, 37737, 41454, 41930, 46060, 50316, 53910, 56306, 58702, 59220, 62895, 69090, 75474, 82908, 83860, 84459, 88053, 103635, 107820, 112612, 117404, 125790, 138180, 140765, 146755, 150948, 168918, 176106, 188685, 197071, 207270, 251580, 253377, 264159, 281530, 293510, 337836, 352212, 377370, 394142, 414540, 422295, 440265, 506754, 528318, 563060, 587020, 591213, 754740, 788284, 844590, 880530, 985355, 1013508, 1056636, 1182426, 1266885, 1320795, 1379497, 1689180, 1761060, 1773639, 1970710, 2364852, 2533770, 2641590, 2758994, 2956065, 3547278, 3941420, 4138491, 5067540, 5283180, 5517988, 5912130, 6897485, 7094556, 8276982, 8868195, 11824260, 12415473, 13794970, 16553964, 17736390, 20692455, 24830946, 27589940, 35472780, 41384910, 49661892, 62077365, 82769820, 124154730, 248309460]

約数ペア:

[(1, 248309460), (2, 124154730), (3, 82769820), (4, 62077365), (5, 49661892), (6, 41384910), (7, 35472780), (9, 27589940), (10, 24830946), (12, 20692455), (14, 17736390), (15, 16553964), (18, 13794970), (20, 12415473), (21, 11824260), (28, 8868195), (30, 8276982), (35, 7094556), (36, 6897485), (42, 5912130), (45, 5517988), (47, 5283180), (49, 5067540), (60, 4138491), (63, 3941420), (70, 3547278), (84, 2956065), (90, 2758994), (94, 2641590), (98, 2533770), (105, 2364852), (126, 1970710), (140, 1773639), (141, 1761060), (147, 1689180), (180, 1379497), (188, 1320795), (196, 1266885), (210, 1182426), (235, 1056636), (245, 1013508), (252, 985355), (282, 880530), (294, 844590), (315, 788284), (329, 754740), (420, 591213), (423, 587020), (441, 563060), (470, 528318), (490, 506754), (564, 440265), (588, 422295), (599, 414540), (630, 394142), (658, 377370), (705, 352212), (735, 337836), (846, 293510), (882, 281530), (940, 264159), (980, 253377), (987, 251580), (1198, 207270), (1260, 197071), (1316, 188685), (1410, 176106), (1470, 168918), (1645, 150948), (1692, 146755), (1764, 140765), (1797, 138180), (1974, 125790), (2115, 117404), (2205, 112612), (2303, 107820), (2396, 103635), (2820, 88053), (2940, 84459), (2961, 83860), (2995, 82908), (3290, 75474), (3594, 69090), (3948, 62895), (4193, 59220), (4230, 58702), (4410, 56306), (4606, 53910), (4935, 50316), (5391, 46060), (5922, 41930), (5990, 41454), (6580, 37737), (6909, 35940), (7188, 34545), (8386, 29610), (8460, 29351), (8820, 28153), (8985, 27636), (9212, 26955), (9870, 25158), (10782, 23030), (11515, 21564), (11844, 20965), (11980, 20727), (12579, 19740), (13818, 17970), (14805, 16772)]