202125940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 449080632

約数和(自身を除く): 246954692

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 197, 244, 290, 305, 394, 580, 610, 788, 841, 985, 1220, 1682, 1769, 1970, 3364, 3538, 3940, 4205, 5713, 7076, 8410, 8845, 11426, 12017, 16820, 17690, 22852, 24034, 28565, 35380, 48068, 51301, 57130, 60085, 102602, 114260, 120170, 165677, 205204, 240340, 256505, 331354, 348493, 513010, 662708, 696986, 828385, 1026020, 1393972, 1656770, 1742465, 3313540, 3484930, 6969860, 10106297, 20212594, 40425188, 50531485, 101062970, 202125940]

約数ペア:

[(1, 202125940), (2, 101062970), (4, 50531485), (5, 40425188), (10, 20212594), (20, 10106297), (29, 6969860), (58, 3484930), (61, 3313540), (116, 1742465), (122, 1656770), (145, 1393972), (197, 1026020), (244, 828385), (290, 696986), (305, 662708), (394, 513010), (580, 348493), (610, 331354), (788, 256505), (841, 240340), (985, 205204), (1220, 165677), (1682, 120170), (1769, 114260), (1970, 102602), (3364, 60085), (3538, 57130), (3940, 51301), (4205, 48068), (5713, 35380), (7076, 28565), (8410, 24034), (8845, 22852), (11426, 17690), (12017, 16820)]