236157220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:785

約数の個数: 72

約数和(自身を含む): 542785320

約数和(自身を除く): 306628100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 169, 218, 260, 338, 436, 545, 641, 676, 845, 1090, 1282, 1417, 1690, 2180, 2564, 2834, 3205, 3380, 5668, 6410, 7085, 8333, 12820, 14170, 16666, 18421, 28340, 33332, 36842, 41665, 69869, 73684, 83330, 92105, 108329, 139738, 166660, 184210, 216658, 279476, 349345, 368420, 433316, 541645, 698690, 908297, 1083290, 1397380, 1816594, 2166580, 3633188, 4541485, 9082970, 11807861, 18165940, 23615722, 47231444, 59039305, 118078610, 236157220]

約数ペア:

[(1, 236157220), (2, 118078610), (4, 59039305), (5, 47231444), (10, 23615722), (13, 18165940), (20, 11807861), (26, 9082970), (52, 4541485), (65, 3633188), (109, 2166580), (130, 1816594), (169, 1397380), (218, 1083290), (260, 908297), (338, 698690), (436, 541645), (545, 433316), (641, 368420), (676, 349345), (845, 279476), (1090, 216658), (1282, 184210), (1417, 166660), (1690, 139738), (2180, 108329), (2564, 92105), (2834, 83330), (3205, 73684), (3380, 69869), (5668, 41665), (6410, 36842), (7085, 33332), (8333, 28340), (12820, 18421), (14170, 16666)]