215231019265

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1\times {\mathrm{829}}^1$

素因数の和:1270

約数の個数: 64

約数和(自身を含む): 275105160000

約数和(自身を除く): 59874140735

約数列:

[1, 5, 29, 61, 145, 149, 197, 305, 745, 829, 985, 1769, 4145, 4321, 5713, 8845, 9089, 12017, 21605, 24041, 28565, 29353, 45445, 50569, 60085, 120205, 123521, 146765, 163313, 252845, 263581, 348493, 617605, 816565, 851237, 1317905, 1466501, 1742465, 1790533, 3582109, 4256185, 4736077, 7332505, 7534781, 8952665, 9962093, 17910545, 23680385, 24333637, 37673905, 49810465, 51925457, 121668185, 218508649, 259627285, 288900697, 705675473, 1092543245, 1444503485, 1484351857, 3528377365, 7421759285, 43046203853, 215231019265]

約数ペア:

[(1, 215231019265), (5, 43046203853), (29, 7421759285), (61, 3528377365), (145, 1484351857), (149, 1444503485), (197, 1092543245), (305, 705675473), (745, 288900697), (829, 259627285), (985, 218508649), (1769, 121668185), (4145, 51925457), (4321, 49810465), (5713, 37673905), (8845, 24333637), (9089, 23680385), (12017, 17910545), (21605, 9962093), (24041, 8952665), (28565, 7534781), (29353, 7332505), (45445, 4736077), (50569, 4256185), (60085, 3582109), (120205, 1790533), (123521, 1742465), (146765, 1466501), (163313, 1317905), (252845, 851237), (263581, 816565), (348493, 617605)]