221457788375

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:478

約数の個数: 128

約数和(自身を含む): 301111050240

約数和(自身を除く): 79653261865

約数列:

[1, 5, 25, 31, 43, 67, 83, 125, 155, 215, 239, 335, 415, 775, 1075, 1195, 1333, 1675, 2075, 2077, 2573, 2881, 3569, 3875, 5375, 5561, 5975, 6665, 7409, 8375, 10277, 10375, 10385, 12865, 14405, 16013, 17845, 19837, 27805, 29875, 33325, 37045, 51385, 51925, 64325, 72025, 80065, 89225, 89311, 99185, 110639, 139025, 166625, 172391, 185225, 239123, 256925, 259625, 318587, 321625, 360125, 400325, 446125, 446555, 495925, 496403, 553195, 614947, 688559, 695125, 852991, 861955, 926125, 1195615, 1284625, 1329079, 1592935, 2001625, 2232775, 2479625, 2482015, 2765975, 3074735, 3442795, 4264955, 4309775, 5978075, 6645395, 7412813, 7964675, 11163875, 12410075, 13829875, 15373675, 17213975, 21324775, 21345329, 21548875, 26442721, 29890375, 33226975, 37064065, 39823375, 41201449, 57150397, 62050375, 76868375, 86069875, 106623875, 106726645, 132213605, 166134875, 185320325, 206007245, 285751985, 533633225, 661068025, 926601625, 1030036225, 1428759925, 1771662307, 2668166125, 3305340125, 5150181125, 7143799625, 8858311535, 44291557675, 221457788375]

約数ペア:

[(1, 221457788375), (5, 44291557675), (25, 8858311535), (31, 7143799625), (43, 5150181125), (67, 3305340125), (83, 2668166125), (125, 1771662307), (155, 1428759925), (215, 1030036225), (239, 926601625), (335, 661068025), (415, 533633225), (775, 285751985), (1075, 206007245), (1195, 185320325), (1333, 166134875), (1675, 132213605), (2075, 106726645), (2077, 106623875), (2573, 86069875), (2881, 76868375), (3569, 62050375), (3875, 57150397), (5375, 41201449), (5561, 39823375), (5975, 37064065), (6665, 33226975), (7409, 29890375), (8375, 26442721), (10277, 21548875), (10375, 21345329), (10385, 21324775), (12865, 17213975), (14405, 15373675), (16013, 13829875), (17845, 12410075), (19837, 11163875), (27805, 7964675), (29875, 7412813), (33325, 6645395), (37045, 5978075), (51385, 4309775), (51925, 4264955), (64325, 3442795), (72025, 3074735), (80065, 2765975), (89225, 2482015), (89311, 2479625), (99185, 2232775), (110639, 2001625), (139025, 1592935), (166625, 1329079), (172391, 1284625), (185225, 1195615), (239123, 926125), (256925, 861955), (259625, 852991), (318587, 695125), (321625, 688559), (360125, 614947), (400325, 553195), (446125, 496403), (446555, 495925)]