203206250

素因数分解:

$2^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 427191408

約数和(自身を除く): 223985158

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 61, 65, 82, 122, 125, 130, 205, 250, 305, 325, 410, 533, 610, 625, 650, 793, 1025, 1066, 1250, 1525, 1586, 1625, 2050, 2501, 2665, 3050, 3125, 3250, 3965, 5002, 5125, 5330, 6250, 7625, 7930, 8125, 10250, 12505, 13325, 15250, 16250, 19825, 25010, 25625, 26650, 32513, 38125, 39650, 40625, 51250, 62525, 65026, 66625, 76250, 81250, 99125, 125050, 128125, 133250, 162565, 190625, 198250, 256250, 312625, 325130, 333125, 381250, 495625, 625250, 666250, 812825, 991250, 1563125, 1625650, 1665625, 2478125, 3126250, 3331250, 4064125, 4956250, 7815625, 8128250, 15631250, 20320625, 40641250, 101603125, 203206250]

約数ペア:

[(1, 203206250), (2, 101603125), (5, 40641250), (10, 20320625), (13, 15631250), (25, 8128250), (26, 7815625), (41, 4956250), (50, 4064125), (61, 3331250), (65, 3126250), (82, 2478125), (122, 1665625), (125, 1625650), (130, 1563125), (205, 991250), (250, 812825), (305, 666250), (325, 625250), (410, 495625), (533, 381250), (610, 333125), (625, 325130), (650, 312625), (793, 256250), (1025, 198250), (1066, 190625), (1250, 162565), (1525, 133250), (1586, 128125), (1625, 125050), (2050, 99125), (2501, 81250), (2665, 76250), (3050, 66625), (3125, 65026), (3250, 62525), (3965, 51250), (5002, 40625), (5125, 39650), (5330, 38125), (6250, 32513), (7625, 26650), (7930, 25625), (8125, 25010), (10250, 19825), (12505, 16250), (13325, 15250)]