888917820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{1583}}^1$

素因数の和:1800

約数の個数: 144

約数和(自身を含む): 2912329728

約数和(自身を除く): 2023411908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 191, 196, 210, 245, 294, 382, 420, 490, 573, 588, 735, 764, 955, 980, 1146, 1337, 1470, 1583, 1910, 2292, 2674, 2865, 2940, 3166, 3820, 4011, 4749, 5348, 5730, 6332, 6685, 7915, 8022, 9359, 9498, 11081, 11460, 13370, 15830, 16044, 18718, 18996, 20055, 22162, 23745, 26740, 28077, 31660, 33243, 37436, 40110, 44324, 46795, 47490, 55405, 56154, 66486, 77567, 80220, 93590, 94980, 110810, 112308, 132972, 140385, 155134, 166215, 187180, 221620, 232701, 280770, 302353, 310268, 332430, 387835, 465402, 561540, 604706, 664860, 775670, 907059, 930804, 1163505, 1209412, 1511765, 1551340, 1814118, 2116471, 2327010, 3023530, 3628236, 4232942, 4535295, 4654020, 6047060, 6349413, 8465884, 9070590, 10582355, 12698826, 14815297, 18141180, 21164710, 25397652, 29630594, 31747065, 42329420, 44445891, 59261188, 63494130, 74076485, 88891782, 126988260, 148152970, 177783564, 222229455, 296305940, 444458910, 888917820]

約数ペア:

[(1, 888917820), (2, 444458910), (3, 296305940), (4, 222229455), (5, 177783564), (6, 148152970), (7, 126988260), (10, 88891782), (12, 74076485), (14, 63494130), (15, 59261188), (20, 44445891), (21, 42329420), (28, 31747065), (30, 29630594), (35, 25397652), (42, 21164710), (49, 18141180), (60, 14815297), (70, 12698826), (84, 10582355), (98, 9070590), (105, 8465884), (140, 6349413), (147, 6047060), (191, 4654020), (196, 4535295), (210, 4232942), (245, 3628236), (294, 3023530), (382, 2327010), (420, 2116471), (490, 1814118), (573, 1551340), (588, 1511765), (735, 1209412), (764, 1163505), (955, 930804), (980, 907059), (1146, 775670), (1337, 664860), (1470, 604706), (1583, 561540), (1910, 465402), (2292, 387835), (2674, 332430), (2865, 310268), (2940, 302353), (3166, 280770), (3820, 232701), (4011, 221620), (4749, 187180), (5348, 166215), (5730, 155134), (6332, 140385), (6685, 132972), (7915, 112308), (8022, 110810), (9359, 94980), (9498, 93590), (11081, 80220), (11460, 77567), (13370, 66486), (15830, 56154), (16044, 55405), (18718, 47490), (18996, 46795), (20055, 44324), (22162, 40110), (23745, 37436), (26740, 33243), (28077, 31660)]