194101020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{2161}}^1$

素因数の和:2675

約数の個数: 72

約数和(自身を含む): 590226000

約数和(自身を除く): 396124980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499, 998, 1497, 1996, 2161, 2495, 2994, 4322, 4491, 4990, 5988, 6483, 7485, 8644, 8982, 9980, 10805, 12966, 14970, 17964, 19449, 21610, 22455, 25932, 29940, 32415, 38898, 43220, 44910, 64830, 77796, 89820, 97245, 129660, 194490, 388980, 1078339, 2156678, 3235017, 4313356, 5391695, 6470034, 9705051, 10783390, 12940068, 16175085, 19410102, 21566780, 32350170, 38820204, 48525255, 64700340, 97050510, 194101020]

約数ペア:

[(1, 194101020), (2, 97050510), (3, 64700340), (4, 48525255), (5, 38820204), (6, 32350170), (9, 21566780), (10, 19410102), (12, 16175085), (15, 12940068), (18, 10783390), (20, 9705051), (30, 6470034), (36, 5391695), (45, 4313356), (60, 3235017), (90, 2156678), (180, 1078339), (499, 388980), (998, 194490), (1497, 129660), (1996, 97245), (2161, 89820), (2495, 77796), (2994, 64830), (4322, 44910), (4491, 43220), (4990, 38898), (5988, 32415), (6483, 29940), (7485, 25932), (8644, 22455), (8982, 21610), (9980, 19449), (10805, 17964), (12966, 14970)]