207880900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 509967360

約数和(自身を除く): 302086460

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 67, 71, 76, 92, 95, 100, 115, 134, 142, 190, 230, 268, 284, 335, 355, 380, 437, 460, 475, 575, 670, 710, 874, 950, 1150, 1273, 1340, 1349, 1420, 1541, 1633, 1675, 1748, 1775, 1900, 2185, 2300, 2546, 2698, 3082, 3266, 3350, 3550, 4370, 4757, 5092, 5396, 6164, 6365, 6532, 6700, 6745, 7100, 7705, 8165, 8740, 9514, 10925, 12730, 13490, 15410, 16330, 19028, 21850, 23785, 25460, 26980, 29279, 30820, 31027, 31825, 32660, 33725, 38525, 40825, 43700, 47570, 58558, 62054, 63650, 67450, 77050, 81650, 90383, 95140, 109411, 117116, 118925, 124108, 127300, 134900, 146395, 154100, 155135, 163300, 180766, 218822, 237850, 292790, 310270, 361532, 437644, 451915, 475700, 547055, 585580, 620540, 731975, 775675, 903830, 1094110, 1463950, 1551350, 1807660, 2078809, 2188220, 2259575, 2735275, 2927900, 3102700, 4157618, 4519150, 5470550, 8315236, 9038300, 10394045, 10941100, 20788090, 41576180, 51970225, 103940450, 207880900]

約数ペア:

[(1, 207880900), (2, 103940450), (4, 51970225), (5, 41576180), (10, 20788090), (19, 10941100), (20, 10394045), (23, 9038300), (25, 8315236), (38, 5470550), (46, 4519150), (50, 4157618), (67, 3102700), (71, 2927900), (76, 2735275), (92, 2259575), (95, 2188220), (100, 2078809), (115, 1807660), (134, 1551350), (142, 1463950), (190, 1094110), (230, 903830), (268, 775675), (284, 731975), (335, 620540), (355, 585580), (380, 547055), (437, 475700), (460, 451915), (475, 437644), (575, 361532), (670, 310270), (710, 292790), (874, 237850), (950, 218822), (1150, 180766), (1273, 163300), (1340, 155135), (1349, 154100), (1420, 146395), (1541, 134900), (1633, 127300), (1675, 124108), (1748, 118925), (1775, 117116), (1900, 109411), (2185, 95140), (2300, 90383), (2546, 81650), (2698, 77050), (3082, 67450), (3266, 63650), (3350, 62054), (3550, 58558), (4370, 47570), (4757, 43700), (5092, 40825), (5396, 38525), (6164, 33725), (6365, 32660), (6532, 31825), (6700, 31027), (6745, 30820), (7100, 29279), (7705, 26980), (8165, 25460), (8740, 23785), (9514, 21850), (10925, 19028), (12730, 16330), (13490, 15410)]