16249940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 42336000

約数和(自身を除く): 26086060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 41, 70, 76, 82, 95, 133, 140, 149, 164, 190, 205, 266, 287, 298, 380, 410, 532, 574, 596, 665, 745, 779, 820, 1043, 1148, 1330, 1435, 1490, 1558, 2086, 2660, 2831, 2870, 2980, 3116, 3895, 4172, 5215, 5453, 5662, 5740, 6109, 7790, 10430, 10906, 11324, 12218, 14155, 15580, 19817, 20860, 21812, 24436, 27265, 28310, 30545, 39634, 42763, 54530, 56620, 61090, 79268, 85526, 99085, 109060, 116071, 122180, 171052, 198170, 213815, 232142, 396340, 427630, 464284, 580355, 812497, 855260, 1160710, 1624994, 2321420, 3249988, 4062485, 8124970, 16249940]

約数ペア:

[(1, 16249940), (2, 8124970), (4, 4062485), (5, 3249988), (7, 2321420), (10, 1624994), (14, 1160710), (19, 855260), (20, 812497), (28, 580355), (35, 464284), (38, 427630), (41, 396340), (70, 232142), (76, 213815), (82, 198170), (95, 171052), (133, 122180), (140, 116071), (149, 109060), (164, 99085), (190, 85526), (205, 79268), (266, 61090), (287, 56620), (298, 54530), (380, 42763), (410, 39634), (532, 30545), (574, 28310), (596, 27265), (665, 24436), (745, 21812), (779, 20860), (820, 19817), (1043, 15580), (1148, 14155), (1330, 12218), (1435, 11324), (1490, 10906), (1558, 10430), (2086, 7790), (2660, 6109), (2831, 5740), (2870, 5662), (2980, 5453), (3116, 5215), (3895, 4172)]