388864980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{44089}}^1$

素因数の和:44118

約数の個数: 108

約数和(自身を含む): 1372168980

約数和(自身を除く): 983304000

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 44089, 88178, 132267, 176356, 220445, 264534, 308623, 396801, 440890, 529068, 617246, 661335, 793602, 881780, 925869, 1234492, 1322670, 1543115, 1587204, 1851738, 1984005, 2160361, 2645340, 2777607, 3086230, 3703476, 3968010, 4320722, 4629345, 5555214, 6172460, 6481083, 7936020, 8641444, 9258690, 10801805, 11110428, 12962166, 13888035, 18517380, 19443249, 21603610, 25924332, 27776070, 32405415, 38886498, 43207220, 55552140, 64810830, 77772996, 97216245, 129621660, 194432490, 388864980]

約数ペア:

[(1, 388864980), (2, 194432490), (3, 129621660), (4, 97216245), (5, 77772996), (6, 64810830), (7, 55552140), (9, 43207220), (10, 38886498), (12, 32405415), (14, 27776070), (15, 25924332), (18, 21603610), (20, 19443249), (21, 18517380), (28, 13888035), (30, 12962166), (35, 11110428), (36, 10801805), (42, 9258690), (45, 8641444), (49, 7936020), (60, 6481083), (63, 6172460), (70, 5555214), (84, 4629345), (90, 4320722), (98, 3968010), (105, 3703476), (126, 3086230), (140, 2777607), (147, 2645340), (180, 2160361), (196, 1984005), (210, 1851738), (245, 1587204), (252, 1543115), (294, 1322670), (315, 1234492), (420, 925869), (441, 881780), (490, 793602), (588, 661335), (630, 617246), (735, 529068), (882, 440890), (980, 396801), (1260, 308623), (1470, 264534), (1764, 220445), (2205, 176356), (2940, 132267), (4410, 88178), (8820, 44089)]