205019880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6917}}^1$

素因数の和:6963

約数の個数: 128

約数和(自身を含む): 697334400

約数和(自身を除く): 492314520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2964, 3705, 4940, 5928, 6917, 7410, 9880, 13834, 14820, 20751, 27668, 29640, 34585, 41502, 55336, 69170, 83004, 89921, 103755, 131423, 138340, 166008, 179842, 207510, 262846, 269763, 276680, 359684, 394269, 415020, 449605, 525692, 539526, 657115, 719368, 788538, 830040, 899210, 1051384, 1079052, 1314230, 1348815, 1577076, 1708499, 1798420, 1971345, 2158104, 2628460, 2697630, 3154152, 3416998, 3596840, 3942690, 5125497, 5256920, 5395260, 6833996, 7885380, 8542495, 10250994, 10790520, 13667992, 15770760, 17084990, 20501988, 25627485, 34169980, 41003976, 51254970, 68339960, 102509940, 205019880]

約数ペア:

[(1, 205019880), (2, 102509940), (3, 68339960), (4, 51254970), (5, 41003976), (6, 34169980), (8, 25627485), (10, 20501988), (12, 17084990), (13, 15770760), (15, 13667992), (19, 10790520), (20, 10250994), (24, 8542495), (26, 7885380), (30, 6833996), (38, 5395260), (39, 5256920), (40, 5125497), (52, 3942690), (57, 3596840), (60, 3416998), (65, 3154152), (76, 2697630), (78, 2628460), (95, 2158104), (104, 1971345), (114, 1798420), (120, 1708499), (130, 1577076), (152, 1348815), (156, 1314230), (190, 1079052), (195, 1051384), (228, 899210), (247, 830040), (260, 788538), (285, 719368), (312, 657115), (380, 539526), (390, 525692), (456, 449605), (494, 415020), (520, 394269), (570, 359684), (741, 276680), (760, 269763), (780, 262846), (988, 207510), (1140, 179842), (1235, 166008), (1482, 138340), (1560, 131423), (1976, 103755), (2280, 89921), (2470, 83004), (2964, 69170), (3705, 55336), (4940, 41502), (5928, 34585), (6917, 29640), (7410, 27668), (9880, 20751), (13834, 14820)]