90019150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 195924960

約数和(自身を除く): 105905810

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 37, 38, 50, 65, 74, 95, 130, 185, 190, 197, 247, 325, 370, 394, 475, 481, 494, 650, 703, 925, 950, 962, 985, 1235, 1406, 1850, 1970, 2405, 2470, 2561, 3515, 3743, 4810, 4925, 5122, 6175, 7030, 7289, 7486, 9139, 9850, 12025, 12350, 12805, 14578, 17575, 18278, 18715, 24050, 25610, 35150, 36445, 37430, 45695, 48659, 64025, 72890, 91390, 93575, 94757, 97318, 128050, 138491, 182225, 187150, 189514, 228475, 243295, 276982, 364450, 456950, 473785, 486590, 692455, 947570, 1216475, 1384910, 1800383, 2368925, 2432950, 3462275, 3600766, 4737850, 6924550, 9001915, 18003830, 45009575, 90019150]

約数ペア:

[(1, 90019150), (2, 45009575), (5, 18003830), (10, 9001915), (13, 6924550), (19, 4737850), (25, 3600766), (26, 3462275), (37, 2432950), (38, 2368925), (50, 1800383), (65, 1384910), (74, 1216475), (95, 947570), (130, 692455), (185, 486590), (190, 473785), (197, 456950), (247, 364450), (325, 276982), (370, 243295), (394, 228475), (475, 189514), (481, 187150), (494, 182225), (650, 138491), (703, 128050), (925, 97318), (950, 94757), (962, 93575), (985, 91390), (1235, 72890), (1406, 64025), (1850, 48659), (1970, 45695), (2405, 37430), (2470, 36445), (2561, 35150), (3515, 25610), (3743, 24050), (4810, 18715), (4925, 18278), (5122, 17575), (6175, 14578), (7030, 12805), (7289, 12350), (7486, 12025), (9139, 9850)]