77861420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 203212800

約数和(自身を除く): 125351380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 179, 182, 239, 260, 358, 364, 455, 478, 716, 895, 910, 956, 1195, 1253, 1673, 1790, 1820, 2327, 2390, 2506, 3107, 3346, 3580, 4654, 4780, 5012, 6214, 6265, 6692, 8365, 9308, 11635, 12428, 12530, 15535, 16289, 16730, 21749, 23270, 25060, 31070, 32578, 33460, 42781, 43498, 46540, 62140, 65156, 81445, 85562, 86996, 108745, 162890, 171124, 213905, 217490, 299467, 325780, 427810, 434980, 556153, 598934, 855620, 1112306, 1197868, 1497335, 2224612, 2780765, 2994670, 3893071, 5561530, 5989340, 7786142, 11123060, 15572284, 19465355, 38930710, 77861420]

約数ペア:

[(1, 77861420), (2, 38930710), (4, 19465355), (5, 15572284), (7, 11123060), (10, 7786142), (13, 5989340), (14, 5561530), (20, 3893071), (26, 2994670), (28, 2780765), (35, 2224612), (52, 1497335), (65, 1197868), (70, 1112306), (91, 855620), (130, 598934), (140, 556153), (179, 434980), (182, 427810), (239, 325780), (260, 299467), (358, 217490), (364, 213905), (455, 171124), (478, 162890), (716, 108745), (895, 86996), (910, 85562), (956, 81445), (1195, 65156), (1253, 62140), (1673, 46540), (1790, 43498), (1820, 42781), (2327, 33460), (2390, 32578), (2506, 31070), (3107, 25060), (3346, 23270), (3580, 21749), (4654, 16730), (4780, 16289), (5012, 15535), (6214, 12530), (6265, 12428), (6692, 11635), (8365, 9308)]