197943240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8821}}^1$

素因数の和:8863

約数の個数: 128

約数和(自身を含む): 685998720

約数和(自身を除く): 488055480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 935, 1020, 1122, 1320, 1496, 1870, 2040, 2244, 2805, 3740, 4488, 5610, 7480, 8821, 11220, 17642, 22440, 26463, 35284, 44105, 52926, 70568, 88210, 97031, 105852, 132315, 149957, 176420, 194062, 211704, 264630, 291093, 299914, 352840, 388124, 449871, 485155, 529260, 582186, 599828, 749785, 776248, 899742, 970310, 1058520, 1164372, 1199656, 1455465, 1499570, 1649527, 1799484, 1940620, 2249355, 2328744, 2910930, 2999140, 3299054, 3598968, 3881240, 4498710, 4948581, 5821860, 5998280, 6598108, 8247635, 8997420, 9897162, 11643720, 13196216, 16495270, 17994840, 19794324, 24742905, 32990540, 39588648, 49485810, 65981080, 98971620, 197943240]

約数ペア:

[(1, 197943240), (2, 98971620), (3, 65981080), (4, 49485810), (5, 39588648), (6, 32990540), (8, 24742905), (10, 19794324), (11, 17994840), (12, 16495270), (15, 13196216), (17, 11643720), (20, 9897162), (22, 8997420), (24, 8247635), (30, 6598108), (33, 5998280), (34, 5821860), (40, 4948581), (44, 4498710), (51, 3881240), (55, 3598968), (60, 3299054), (66, 2999140), (68, 2910930), (85, 2328744), (88, 2249355), (102, 1940620), (110, 1799484), (120, 1649527), (132, 1499570), (136, 1455465), (165, 1199656), (170, 1164372), (187, 1058520), (204, 970310), (220, 899742), (255, 776248), (264, 749785), (330, 599828), (340, 582186), (374, 529260), (408, 485155), (440, 449871), (510, 388124), (561, 352840), (660, 299914), (680, 291093), (748, 264630), (935, 211704), (1020, 194062), (1122, 176420), (1320, 149957), (1496, 132315), (1870, 105852), (2040, 97031), (2244, 88210), (2805, 70568), (3740, 52926), (4488, 44105), (5610, 35284), (7480, 26463), (8821, 22440), (11220, 17642)]