638379300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{857}}^1$

素因数の和:1078

約数の個数: 144

約数和(自身を含む): 2001871872

約数和(自身を除く): 1363492572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 191, 195, 260, 300, 325, 382, 390, 573, 650, 764, 780, 857, 955, 975, 1146, 1300, 1714, 1910, 1950, 2292, 2483, 2571, 2865, 3428, 3820, 3900, 4285, 4775, 4966, 5142, 5730, 7449, 8570, 9550, 9932, 10284, 11141, 11460, 12415, 12855, 14325, 14898, 17140, 19100, 21425, 22282, 24830, 25710, 28650, 29796, 33423, 37245, 42850, 44564, 49660, 51420, 55705, 57300, 62075, 64275, 66846, 74490, 85700, 111410, 124150, 128550, 133692, 148980, 163687, 167115, 186225, 222820, 248300, 257100, 278525, 327374, 334230, 372450, 491061, 557050, 654748, 668460, 744900, 818435, 835575, 982122, 1114100, 1636870, 1671150, 1964244, 2127931, 2455305, 3273740, 3342300, 4092175, 4255862, 4910610, 6383793, 8184350, 8511724, 9821220, 10639655, 12276525, 12767586, 16368700, 21279310, 24553050, 25535172, 31918965, 42558620, 49106100, 53198275, 63837930, 106396550, 127675860, 159594825, 212793100, 319189650, 638379300]

約数ペア:

[(1, 638379300), (2, 319189650), (3, 212793100), (4, 159594825), (5, 127675860), (6, 106396550), (10, 63837930), (12, 53198275), (13, 49106100), (15, 42558620), (20, 31918965), (25, 25535172), (26, 24553050), (30, 21279310), (39, 16368700), (50, 12767586), (52, 12276525), (60, 10639655), (65, 9821220), (75, 8511724), (78, 8184350), (100, 6383793), (130, 4910610), (150, 4255862), (156, 4092175), (191, 3342300), (195, 3273740), (260, 2455305), (300, 2127931), (325, 1964244), (382, 1671150), (390, 1636870), (573, 1114100), (650, 982122), (764, 835575), (780, 818435), (857, 744900), (955, 668460), (975, 654748), (1146, 557050), (1300, 491061), (1714, 372450), (1910, 334230), (1950, 327374), (2292, 278525), (2483, 257100), (2571, 248300), (2865, 222820), (3428, 186225), (3820, 167115), (3900, 163687), (4285, 148980), (4775, 133692), (4966, 128550), (5142, 124150), (5730, 111410), (7449, 85700), (8570, 74490), (9550, 66846), (9932, 64275), (10284, 62075), (11141, 57300), (11460, 55705), (12415, 51420), (12855, 49660), (14325, 44564), (14898, 42850), (17140, 37245), (19100, 33423), (21425, 29796), (22282, 28650), (24830, 25710)]