201255470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{619}}^1$

素因数の和:741

約数の個数: 64

約数和(自身を含む): 406848960

約数和(自身を除く): 205593490

約数列:

[1, 2, 5, 10, 13, 26, 41, 61, 65, 82, 122, 130, 205, 305, 410, 533, 610, 619, 793, 1066, 1238, 1586, 2501, 2665, 3095, 3965, 5002, 5330, 6190, 7930, 8047, 12505, 16094, 25010, 25379, 32513, 37759, 40235, 50758, 65026, 75518, 80470, 126895, 162565, 188795, 253790, 325130, 329927, 377590, 490867, 659854, 981734, 1548119, 1649635, 2454335, 3096238, 3299270, 4908670, 7740595, 15481190, 20125547, 40251094, 100627735, 201255470]

約数ペア:

[(1, 201255470), (2, 100627735), (5, 40251094), (10, 20125547), (13, 15481190), (26, 7740595), (41, 4908670), (61, 3299270), (65, 3096238), (82, 2454335), (122, 1649635), (130, 1548119), (205, 981734), (305, 659854), (410, 490867), (533, 377590), (610, 329927), (619, 325130), (793, 253790), (1066, 188795), (1238, 162565), (1586, 126895), (2501, 80470), (2665, 75518), (3095, 65026), (3965, 50758), (5002, 40235), (5330, 37759), (6190, 32513), (7930, 25379), (8047, 25010), (12505, 16094)]