245588980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:594

約数の個数: 144

約数和(自身を含む): 664823376

約数和(自身を除く): 419234396

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 49, 52, 65, 70, 74, 91, 98, 130, 140, 148, 182, 185, 196, 245, 259, 260, 364, 370, 455, 481, 490, 518, 521, 637, 740, 910, 962, 980, 1036, 1042, 1274, 1295, 1813, 1820, 1924, 2084, 2405, 2548, 2590, 2605, 3185, 3367, 3626, 3647, 4810, 5180, 5210, 6370, 6734, 6773, 7252, 7294, 9065, 9620, 10420, 12740, 13468, 13546, 14588, 16835, 18130, 18235, 19277, 23569, 25529, 27092, 33670, 33865, 36260, 36470, 38554, 47138, 47411, 51058, 67340, 67730, 72940, 77108, 94276, 94822, 96385, 102116, 117845, 127645, 134939, 135460, 189644, 192770, 235690, 237055, 250601, 255290, 269878, 331877, 385540, 471380, 474110, 501202, 510580, 539756, 663754, 674695, 944573, 948220, 1002404, 1253005, 1327508, 1349390, 1659385, 1754207, 1889146, 2506010, 2698780, 3318770, 3508414, 3778292, 4722865, 5012020, 6637540, 7016828, 8771035, 9445730, 12279449, 17542070, 18891460, 24558898, 35084140, 49117796, 61397245, 122794490, 245588980]

約数ペア:

[(1, 245588980), (2, 122794490), (4, 61397245), (5, 49117796), (7, 35084140), (10, 24558898), (13, 18891460), (14, 17542070), (20, 12279449), (26, 9445730), (28, 8771035), (35, 7016828), (37, 6637540), (49, 5012020), (52, 4722865), (65, 3778292), (70, 3508414), (74, 3318770), (91, 2698780), (98, 2506010), (130, 1889146), (140, 1754207), (148, 1659385), (182, 1349390), (185, 1327508), (196, 1253005), (245, 1002404), (259, 948220), (260, 944573), (364, 674695), (370, 663754), (455, 539756), (481, 510580), (490, 501202), (518, 474110), (521, 471380), (637, 385540), (740, 331877), (910, 269878), (962, 255290), (980, 250601), (1036, 237055), (1042, 235690), (1274, 192770), (1295, 189644), (1813, 135460), (1820, 134939), (1924, 127645), (2084, 117845), (2405, 102116), (2548, 96385), (2590, 94822), (2605, 94276), (3185, 77108), (3367, 72940), (3626, 67730), (3647, 67340), (4810, 51058), (5180, 47411), (5210, 47138), (6370, 38554), (6734, 36470), (6773, 36260), (7252, 33865), (7294, 33670), (9065, 27092), (9620, 25529), (10420, 23569), (12740, 19277), (13468, 18235), (13546, 18130), (14588, 16835)]