201619640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4349}}^1$

素因数の和:4440

約数の個数: 64

約数和(自身を含む): 485460000

約数和(自身を除く): 283840360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 610, 760, 1159, 1220, 2318, 2440, 4349, 4636, 5795, 8698, 9272, 11590, 17396, 21745, 23180, 34792, 43490, 46360, 82631, 86980, 165262, 173960, 265289, 330524, 413155, 530578, 661048, 826310, 1061156, 1326445, 1652620, 2122312, 2652890, 3305240, 5040491, 5305780, 10080982, 10611560, 20161964, 25202455, 40323928, 50404910, 100809820, 201619640]

約数ペア:

[(1, 201619640), (2, 100809820), (4, 50404910), (5, 40323928), (8, 25202455), (10, 20161964), (19, 10611560), (20, 10080982), (38, 5305780), (40, 5040491), (61, 3305240), (76, 2652890), (95, 2122312), (122, 1652620), (152, 1326445), (190, 1061156), (244, 826310), (305, 661048), (380, 530578), (488, 413155), (610, 330524), (760, 265289), (1159, 173960), (1220, 165262), (2318, 86980), (2440, 82631), (4349, 46360), (4636, 43490), (5795, 34792), (8698, 23180), (9272, 21745), (11590, 17396)]