346072840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 871142400

約数和(自身を除く): 525069560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 37, 38, 40, 62, 74, 76, 95, 124, 148, 152, 155, 185, 190, 248, 296, 310, 370, 380, 397, 589, 620, 703, 740, 760, 794, 1147, 1178, 1240, 1406, 1480, 1588, 1985, 2294, 2356, 2812, 2945, 3176, 3515, 3970, 4588, 4712, 5624, 5735, 5890, 7030, 7543, 7940, 9176, 11470, 11780, 12307, 14060, 14689, 15086, 15880, 21793, 22940, 23560, 24614, 28120, 29378, 30172, 37715, 43586, 45880, 49228, 58756, 60344, 61535, 73445, 75430, 87172, 98456, 108965, 117512, 123070, 146890, 150860, 174344, 217930, 233833, 246140, 279091, 293780, 301720, 435860, 455359, 467666, 492280, 558182, 587560, 871720, 910718, 935332, 1116364, 1169165, 1395455, 1821436, 1870664, 2232728, 2276795, 2338330, 2790910, 3642872, 4553590, 4676660, 5581820, 8651821, 9107180, 9353320, 11163640, 17303642, 18214360, 34607284, 43259105, 69214568, 86518210, 173036420, 346072840]

約数ペア:

[(1, 346072840), (2, 173036420), (4, 86518210), (5, 69214568), (8, 43259105), (10, 34607284), (19, 18214360), (20, 17303642), (31, 11163640), (37, 9353320), (38, 9107180), (40, 8651821), (62, 5581820), (74, 4676660), (76, 4553590), (95, 3642872), (124, 2790910), (148, 2338330), (152, 2276795), (155, 2232728), (185, 1870664), (190, 1821436), (248, 1395455), (296, 1169165), (310, 1116364), (370, 935332), (380, 910718), (397, 871720), (589, 587560), (620, 558182), (703, 492280), (740, 467666), (760, 455359), (794, 435860), (1147, 301720), (1178, 293780), (1240, 279091), (1406, 246140), (1480, 233833), (1588, 217930), (1985, 174344), (2294, 150860), (2356, 146890), (2812, 123070), (2945, 117512), (3176, 108965), (3515, 98456), (3970, 87172), (4588, 75430), (4712, 73445), (5624, 61535), (5735, 60344), (5890, 58756), (7030, 49228), (7543, 45880), (7940, 43586), (9176, 37715), (11470, 30172), (11780, 29378), (12307, 28120), (14060, 24614), (14689, 23560), (15086, 22940), (15880, 21793)]