407849820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{51109}}^1$

素因数の和:51147

約数の個数: 96

約数和(自身を含む): 1373836800

約数和(自身を除く): 965986980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 51109, 102218, 153327, 204436, 255545, 306654, 357763, 511090, 613308, 715526, 766635, 971071, 1022180, 1073289, 1431052, 1533270, 1788815, 1942142, 2146578, 2913213, 3066540, 3577630, 3884284, 4293156, 4855355, 5366445, 5826426, 6797497, 7155260, 9710710, 10732890, 11652852, 13594994, 14566065, 19421420, 20392491, 21465780, 27189988, 29132130, 33987485, 40784982, 58264260, 67974970, 81569964, 101962455, 135949940, 203924910, 407849820]

約数ペア:

[(1, 407849820), (2, 203924910), (3, 135949940), (4, 101962455), (5, 81569964), (6, 67974970), (7, 58264260), (10, 40784982), (12, 33987485), (14, 29132130), (15, 27189988), (19, 21465780), (20, 20392491), (21, 19421420), (28, 14566065), (30, 13594994), (35, 11652852), (38, 10732890), (42, 9710710), (57, 7155260), (60, 6797497), (70, 5826426), (76, 5366445), (84, 4855355), (95, 4293156), (105, 3884284), (114, 3577630), (133, 3066540), (140, 2913213), (190, 2146578), (210, 1942142), (228, 1788815), (266, 1533270), (285, 1431052), (380, 1073289), (399, 1022180), (420, 971071), (532, 766635), (570, 715526), (665, 613308), (798, 511090), (1140, 357763), (1330, 306654), (1596, 255545), (1995, 204436), (2660, 153327), (3990, 102218), (7980, 51109)]