289618420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 772208640

約数和(自身を除く): 482590220

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 127, 130, 140, 179, 182, 196, 245, 254, 260, 358, 364, 455, 490, 508, 635, 637, 716, 889, 895, 910, 980, 1253, 1270, 1274, 1651, 1778, 1790, 1820, 2327, 2506, 2540, 2548, 3185, 3302, 3556, 3580, 4445, 4654, 5012, 6223, 6265, 6370, 6604, 8255, 8771, 8890, 9308, 11557, 11635, 12446, 12530, 12740, 16289, 16510, 17542, 17780, 22733, 23114, 23270, 24892, 25060, 31115, 32578, 33020, 35084, 43855, 45466, 46228, 46540, 57785, 62230, 65156, 80899, 81445, 87710, 90932, 113665, 114023, 115570, 124460, 159131, 161798, 162890, 175420, 227330, 228046, 231140, 295529, 318262, 323596, 325780, 404495, 454660, 456092, 570115, 591058, 636524, 795655, 808990, 1113917, 1140230, 1182116, 1477645, 1591310, 1617980, 2068703, 2227834, 2280460, 2955290, 3182620, 4137406, 4455668, 5569585, 5910580, 8274812, 10343515, 11139170, 14480921, 20687030, 22278340, 28961842, 41374060, 57923684, 72404605, 144809210, 289618420]

約数ペア:

[(1, 289618420), (2, 144809210), (4, 72404605), (5, 57923684), (7, 41374060), (10, 28961842), (13, 22278340), (14, 20687030), (20, 14480921), (26, 11139170), (28, 10343515), (35, 8274812), (49, 5910580), (52, 5569585), (65, 4455668), (70, 4137406), (91, 3182620), (98, 2955290), (127, 2280460), (130, 2227834), (140, 2068703), (179, 1617980), (182, 1591310), (196, 1477645), (245, 1182116), (254, 1140230), (260, 1113917), (358, 808990), (364, 795655), (455, 636524), (490, 591058), (508, 570115), (635, 456092), (637, 454660), (716, 404495), (889, 325780), (895, 323596), (910, 318262), (980, 295529), (1253, 231140), (1270, 228046), (1274, 227330), (1651, 175420), (1778, 162890), (1790, 161798), (1820, 159131), (2327, 124460), (2506, 115570), (2540, 114023), (2548, 113665), (3185, 90932), (3302, 87710), (3556, 81445), (3580, 80899), (4445, 65156), (4654, 62230), (5012, 57785), (6223, 46540), (6265, 46228), (6370, 45466), (6604, 43855), (8255, 35084), (8771, 33020), (8890, 32578), (9308, 31115), (11557, 25060), (11635, 24892), (12446, 23270), (12530, 23114), (12740, 22733), (16289, 17780), (16510, 17542)]