189937280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1$

素因数の和:686

約数の個数: 128

約数和(自身を含む): 503027280

約数和(自身を除く): 313090000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 128, 130, 148, 160, 185, 208, 260, 296, 320, 370, 416, 481, 520, 592, 617, 640, 740, 832, 962, 1040, 1184, 1234, 1480, 1664, 1924, 2080, 2368, 2405, 2468, 2960, 3085, 3848, 4160, 4736, 4810, 4936, 5920, 6170, 7696, 8021, 8320, 9620, 9872, 11840, 12340, 15392, 16042, 19240, 19744, 22829, 23680, 24680, 30784, 32084, 38480, 39488, 40105, 45658, 49360, 61568, 64168, 76960, 78976, 80210, 91316, 98720, 114145, 128336, 153920, 160420, 182632, 197440, 228290, 256672, 296777, 307840, 320840, 365264, 394880, 456580, 513344, 593554, 641680, 730528, 913160, 1026688, 1187108, 1283360, 1461056, 1483885, 1826320, 2374216, 2566720, 2922112, 2967770, 3652640, 4748432, 5133440, 5935540, 7305280, 9496864, 11871080, 14610560, 18993728, 23742160, 37987456, 47484320, 94968640, 189937280]

約数ペア:

[(1, 189937280), (2, 94968640), (4, 47484320), (5, 37987456), (8, 23742160), (10, 18993728), (13, 14610560), (16, 11871080), (20, 9496864), (26, 7305280), (32, 5935540), (37, 5133440), (40, 4748432), (52, 3652640), (64, 2967770), (65, 2922112), (74, 2566720), (80, 2374216), (104, 1826320), (128, 1483885), (130, 1461056), (148, 1283360), (160, 1187108), (185, 1026688), (208, 913160), (260, 730528), (296, 641680), (320, 593554), (370, 513344), (416, 456580), (481, 394880), (520, 365264), (592, 320840), (617, 307840), (640, 296777), (740, 256672), (832, 228290), (962, 197440), (1040, 182632), (1184, 160420), (1234, 153920), (1480, 128336), (1664, 114145), (1924, 98720), (2080, 91316), (2368, 80210), (2405, 78976), (2468, 76960), (2960, 64168), (3085, 61568), (3848, 49360), (4160, 45658), (4736, 40105), (4810, 39488), (4936, 38480), (5920, 32084), (6170, 30784), (7696, 24680), (8021, 23680), (8320, 22829), (9620, 19744), (9872, 19240), (11840, 16042), (12340, 15392)]