204418760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1$

素因数の和:751

約数の個数: 128

約数和(自身を含む): 573350400

約数和(自身を除く): 368931640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 89, 91, 104, 130, 140, 178, 182, 260, 280, 356, 364, 445, 455, 520, 623, 631, 712, 728, 890, 910, 1157, 1246, 1262, 1780, 1820, 2314, 2492, 2524, 3115, 3155, 3560, 3640, 4417, 4628, 4984, 5048, 5785, 6230, 6310, 8099, 8203, 8834, 9256, 11570, 12460, 12620, 16198, 16406, 17668, 22085, 23140, 24920, 25240, 32396, 32812, 35336, 40495, 41015, 44170, 46280, 56159, 57421, 64792, 65624, 80990, 82030, 88340, 112318, 114842, 161980, 164060, 176680, 224636, 229684, 280795, 287105, 323960, 328120, 393113, 449272, 459368, 561590, 574210, 730067, 786226, 1123180, 1148420, 1460134, 1572452, 1965565, 2246360, 2296840, 2920268, 3144904, 3650335, 3931130, 5110469, 5840536, 7300670, 7862260, 10220938, 14601340, 15724520, 20441876, 25552345, 29202680, 40883752, 51104690, 102209380, 204418760]

約数ペア:

[(1, 204418760), (2, 102209380), (4, 51104690), (5, 40883752), (7, 29202680), (8, 25552345), (10, 20441876), (13, 15724520), (14, 14601340), (20, 10220938), (26, 7862260), (28, 7300670), (35, 5840536), (40, 5110469), (52, 3931130), (56, 3650335), (65, 3144904), (70, 2920268), (89, 2296840), (91, 2246360), (104, 1965565), (130, 1572452), (140, 1460134), (178, 1148420), (182, 1123180), (260, 786226), (280, 730067), (356, 574210), (364, 561590), (445, 459368), (455, 449272), (520, 393113), (623, 328120), (631, 323960), (712, 287105), (728, 280795), (890, 229684), (910, 224636), (1157, 176680), (1246, 164060), (1262, 161980), (1780, 114842), (1820, 112318), (2314, 88340), (2492, 82030), (2524, 80990), (3115, 65624), (3155, 64792), (3560, 57421), (3640, 56159), (4417, 46280), (4628, 44170), (4984, 41015), (5048, 40495), (5785, 35336), (6230, 32812), (6310, 32396), (8099, 25240), (8203, 24920), (8834, 23140), (9256, 22085), (11570, 17668), (12460, 16406), (12620, 16198)]