128154428500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{331}}^1\times {\mathrm{15803}}^1$

素因数の和:16167

約数の個数: 144

約数和(自身を含む): 326589786432

約数和(自身を除く): 198435357932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 331, 350, 490, 500, 662, 700, 875, 980, 1225, 1324, 1655, 1750, 2317, 2450, 3310, 3500, 4634, 4900, 6125, 6620, 8275, 9268, 11585, 12250, 15803, 16219, 16550, 23170, 24500, 31606, 32438, 33100, 41375, 46340, 57925, 63212, 64876, 79015, 81095, 82750, 110621, 115850, 158030, 162190, 165500, 221242, 231700, 289625, 316060, 324380, 395075, 405475, 442484, 553105, 579250, 774347, 790150, 810950, 1106210, 1158500, 1548694, 1580300, 1621900, 1975375, 2027375, 2212420, 2765525, 3097388, 3871735, 3950750, 4054750, 5230793, 5531050, 7743470, 7901500, 8109500, 10461586, 11062100, 13827625, 15486940, 19358675, 20923172, 26153965, 27655250, 36615551, 38717350, 52307930, 55310500, 73231102, 77434700, 96793375, 104615860, 130769825, 146462204, 183077755, 193586750, 256308857, 261539650, 366155510, 387173500, 512617714, 523079300, 653849125, 732311020, 915388775, 1025235428, 1281544285, 1307698250, 1830777550, 2563088570, 2615396500, 3661555100, 4576943875, 5126177140, 6407721425, 9153887750, 12815442850, 18307775500, 25630885700, 32038607125, 64077214250, 128154428500]

約数ペア:

[(1, 128154428500), (2, 64077214250), (4, 32038607125), (5, 25630885700), (7, 18307775500), (10, 12815442850), (14, 9153887750), (20, 6407721425), (25, 5126177140), (28, 4576943875), (35, 3661555100), (49, 2615396500), (50, 2563088570), (70, 1830777550), (98, 1307698250), (100, 1281544285), (125, 1025235428), (140, 915388775), (175, 732311020), (196, 653849125), (245, 523079300), (250, 512617714), (331, 387173500), (350, 366155510), (490, 261539650), (500, 256308857), (662, 193586750), (700, 183077755), (875, 146462204), (980, 130769825), (1225, 104615860), (1324, 96793375), (1655, 77434700), (1750, 73231102), (2317, 55310500), (2450, 52307930), (3310, 38717350), (3500, 36615551), (4634, 27655250), (4900, 26153965), (6125, 20923172), (6620, 19358675), (8275, 15486940), (9268, 13827625), (11585, 11062100), (12250, 10461586), (15803, 8109500), (16219, 7901500), (16550, 7743470), (23170, 5531050), (24500, 5230793), (31606, 4054750), (32438, 3950750), (33100, 3871735), (41375, 3097388), (46340, 2765525), (57925, 2212420), (63212, 2027375), (64876, 1975375), (79015, 1621900), (81095, 1580300), (82750, 1548694), (110621, 1158500), (115850, 1106210), (158030, 810950), (162190, 790150), (165500, 774347), (221242, 579250), (231700, 553105), (289625, 442484), (316060, 405475), (324380, 395075)]