2678424490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{389}}^1$

素因数の和:620

約数の個数: 128

約数和(自身を含む): 6038323200

約数和(自身を除く): 3359898710

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 62, 70, 95, 133, 155, 167, 190, 217, 266, 310, 334, 389, 434, 589, 665, 778, 835, 1085, 1169, 1178, 1330, 1670, 1945, 2170, 2338, 2723, 2945, 3173, 3890, 4123, 5177, 5446, 5845, 5890, 6346, 7391, 8246, 10354, 11690, 12059, 13615, 14782, 15865, 20615, 22211, 24118, 25885, 27230, 31730, 36239, 36955, 41230, 44422, 51737, 51770, 60295, 64963, 72478, 73910, 84413, 98363, 103474, 111055, 120590, 129926, 168826, 181195, 196726, 222110, 229121, 258685, 324815, 362390, 422065, 454741, 458242, 491815, 517370, 649630, 688541, 844130, 909482, 983630, 1145605, 1234297, 1377082, 1603847, 2013853, 2273705, 2291210, 2468594, 3207694, 3442705, 4027706, 4547410, 6171485, 6885410, 8019235, 8640079, 10069265, 12342970, 14096971, 16038470, 17280158, 20138530, 28193942, 38263207, 43200395, 70484855, 76526414, 86400790, 140969710, 191316035, 267842449, 382632070, 535684898, 1339212245, 2678424490]

約数ペア:

[(1, 2678424490), (2, 1339212245), (5, 535684898), (7, 382632070), (10, 267842449), (14, 191316035), (19, 140969710), (31, 86400790), (35, 76526414), (38, 70484855), (62, 43200395), (70, 38263207), (95, 28193942), (133, 20138530), (155, 17280158), (167, 16038470), (190, 14096971), (217, 12342970), (266, 10069265), (310, 8640079), (334, 8019235), (389, 6885410), (434, 6171485), (589, 4547410), (665, 4027706), (778, 3442705), (835, 3207694), (1085, 2468594), (1169, 2291210), (1178, 2273705), (1330, 2013853), (1670, 1603847), (1945, 1377082), (2170, 1234297), (2338, 1145605), (2723, 983630), (2945, 909482), (3173, 844130), (3890, 688541), (4123, 649630), (5177, 517370), (5446, 491815), (5845, 458242), (5890, 454741), (6346, 422065), (7391, 362390), (8246, 324815), (10354, 258685), (11690, 229121), (12059, 222110), (13615, 196726), (14782, 181195), (15865, 168826), (20615, 129926), (22211, 120590), (24118, 111055), (25885, 103474), (27230, 98363), (31730, 84413), (36239, 73910), (36955, 72478), (41230, 64963), (44422, 60295), (51737, 51770)]