2019786055

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{359}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 3010867200

約数和(自身を除く): 991081145

約数列:

[1, 5, 7, 23, 29, 35, 115, 145, 161, 203, 241, 359, 667, 805, 1015, 1205, 1687, 1795, 2513, 3335, 4669, 5543, 6989, 8257, 8435, 10411, 12565, 23345, 27715, 34945, 38801, 41285, 48923, 52055, 57799, 72877, 86519, 160747, 194005, 239453, 244615, 288995, 364385, 432595, 605633, 803735, 1125229, 1197265, 1676171, 1989937, 2509051, 3028165, 5626145, 8380855, 9949685, 12545255, 13929559, 17563357, 57708173, 69647795, 87816785, 288540865, 403957211, 2019786055]

約数ペア:

[(1, 2019786055), (5, 403957211), (7, 288540865), (23, 87816785), (29, 69647795), (35, 57708173), (115, 17563357), (145, 13929559), (161, 12545255), (203, 9949685), (241, 8380855), (359, 5626145), (667, 3028165), (805, 2509051), (1015, 1989937), (1205, 1676171), (1687, 1197265), (1795, 1125229), (2513, 803735), (3335, 605633), (4669, 432595), (5543, 364385), (6989, 288995), (8257, 244615), (8435, 239453), (10411, 194005), (12565, 160747), (23345, 86519), (27715, 72877), (34945, 57799), (38801, 52055), (41285, 48923)]