28904100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 89994240

約数和(自身を除く): 61090140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 59, 60, 69, 71, 75, 92, 100, 115, 118, 138, 142, 150, 177, 213, 230, 236, 276, 284, 295, 300, 345, 354, 355, 426, 460, 575, 590, 690, 708, 710, 852, 885, 1065, 1150, 1180, 1357, 1380, 1420, 1475, 1633, 1725, 1770, 1775, 2130, 2300, 2714, 2950, 3266, 3450, 3540, 3550, 4071, 4189, 4260, 4425, 4899, 5325, 5428, 5900, 6532, 6785, 6900, 7100, 8142, 8165, 8378, 8850, 9798, 10650, 12567, 13570, 16284, 16330, 16756, 17700, 19596, 20355, 20945, 21300, 24495, 25134, 27140, 32660, 33925, 40710, 40825, 41890, 48990, 50268, 62835, 67850, 81420, 81650, 83780, 96347, 97980, 101775, 104725, 122475, 125670, 135700, 163300, 192694, 203550, 209450, 244950, 251340, 289041, 314175, 385388, 407100, 418900, 481735, 489900, 578082, 628350, 963470, 1156164, 1256700, 1445205, 1926940, 2408675, 2890410, 4817350, 5780820, 7226025, 9634700, 14452050, 28904100]

約数ペア:

[(1, 28904100), (2, 14452050), (3, 9634700), (4, 7226025), (5, 5780820), (6, 4817350), (10, 2890410), (12, 2408675), (15, 1926940), (20, 1445205), (23, 1256700), (25, 1156164), (30, 963470), (46, 628350), (50, 578082), (59, 489900), (60, 481735), (69, 418900), (71, 407100), (75, 385388), (92, 314175), (100, 289041), (115, 251340), (118, 244950), (138, 209450), (142, 203550), (150, 192694), (177, 163300), (213, 135700), (230, 125670), (236, 122475), (276, 104725), (284, 101775), (295, 97980), (300, 96347), (345, 83780), (354, 81650), (355, 81420), (426, 67850), (460, 62835), (575, 50268), (590, 48990), (690, 41890), (708, 40825), (710, 40710), (852, 33925), (885, 32660), (1065, 27140), (1150, 25134), (1180, 24495), (1357, 21300), (1380, 20945), (1420, 20355), (1475, 19596), (1633, 17700), (1725, 16756), (1770, 16330), (1775, 16284), (2130, 13570), (2300, 12567), (2714, 10650), (2950, 9798), (3266, 8850), (3450, 8378), (3540, 8165), (3550, 8142), (4071, 7100), (4189, 6900), (4260, 6785), (4425, 6532), (4899, 5900), (5325, 5428)]