203424520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 516146400

約数和(自身を除く): 312721880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 97, 104, 109, 130, 148, 185, 194, 218, 260, 296, 370, 388, 436, 481, 485, 520, 545, 740, 776, 872, 962, 970, 1090, 1261, 1417, 1480, 1924, 1940, 2180, 2405, 2522, 2834, 3589, 3848, 3880, 4033, 4360, 4810, 5044, 5668, 6305, 7085, 7178, 8066, 9620, 10088, 10573, 11336, 12610, 14170, 14356, 16132, 17945, 19240, 20165, 21146, 25220, 28340, 28712, 32264, 35890, 40330, 42292, 46657, 50440, 52429, 52865, 56680, 71780, 80660, 84584, 93314, 104858, 105730, 137449, 143560, 161320, 186628, 209716, 211460, 233285, 262145, 274898, 373256, 391201, 419432, 422920, 466570, 524290, 549796, 687245, 782402, 933140, 1048580, 1099592, 1374490, 1564804, 1866280, 1956005, 2097160, 2748980, 3129608, 3912010, 5085613, 5497960, 7824020, 10171226, 15648040, 20342452, 25428065, 40684904, 50856130, 101712260, 203424520]

約数ペア:

[(1, 203424520), (2, 101712260), (4, 50856130), (5, 40684904), (8, 25428065), (10, 20342452), (13, 15648040), (20, 10171226), (26, 7824020), (37, 5497960), (40, 5085613), (52, 3912010), (65, 3129608), (74, 2748980), (97, 2097160), (104, 1956005), (109, 1866280), (130, 1564804), (148, 1374490), (185, 1099592), (194, 1048580), (218, 933140), (260, 782402), (296, 687245), (370, 549796), (388, 524290), (436, 466570), (481, 422920), (485, 419432), (520, 391201), (545, 373256), (740, 274898), (776, 262145), (872, 233285), (962, 211460), (970, 209716), (1090, 186628), (1261, 161320), (1417, 143560), (1480, 137449), (1924, 105730), (1940, 104858), (2180, 93314), (2405, 84584), (2522, 80660), (2834, 71780), (3589, 56680), (3848, 52865), (3880, 52429), (4033, 50440), (4360, 46657), (4810, 42292), (5044, 40330), (5668, 35890), (6305, 32264), (7085, 28712), (7178, 28340), (8066, 25220), (9620, 21146), (10088, 20165), (10573, 19240), (11336, 17945), (12610, 16132), (14170, 14356)]