665262950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:414

約数の個数: 96

約数和(自身を含む): 1394910720

約数和(自身を除く): 729647770

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 61, 79, 110, 122, 158, 251, 275, 305, 395, 502, 550, 610, 671, 790, 869, 1255, 1342, 1525, 1738, 1975, 2510, 2761, 3050, 3355, 3950, 4345, 4819, 5522, 6275, 6710, 8690, 9638, 12550, 13805, 15311, 16775, 19829, 21725, 24095, 27610, 30622, 33550, 39658, 43450, 48190, 53009, 69025, 76555, 99145, 106018, 120475, 138050, 153110, 168421, 198290, 218119, 240950, 265045, 336842, 382775, 436238, 495725, 530090, 765550, 842105, 991450, 1090595, 1209569, 1325225, 1684210, 2181190, 2419138, 2650450, 4210525, 5452975, 6047845, 8421050, 10905950, 12095690, 13305259, 26610518, 30239225, 60478450, 66526295, 133052590, 332631475, 665262950]

約数ペア:

[(1, 665262950), (2, 332631475), (5, 133052590), (10, 66526295), (11, 60478450), (22, 30239225), (25, 26610518), (50, 13305259), (55, 12095690), (61, 10905950), (79, 8421050), (110, 6047845), (122, 5452975), (158, 4210525), (251, 2650450), (275, 2419138), (305, 2181190), (395, 1684210), (502, 1325225), (550, 1209569), (610, 1090595), (671, 991450), (790, 842105), (869, 765550), (1255, 530090), (1342, 495725), (1525, 436238), (1738, 382775), (1975, 336842), (2510, 265045), (2761, 240950), (3050, 218119), (3355, 198290), (3950, 168421), (4345, 153110), (4819, 138050), (5522, 120475), (6275, 106018), (6710, 99145), (8690, 76555), (9638, 69025), (12550, 53009), (13805, 48190), (15311, 43450), (16775, 39658), (19829, 33550), (21725, 30622), (24095, 27610)]