28924980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1129}}^1$

素因数の和:1209

約数の個数: 96

約数和(自身を含む): 94160640

約数和(自身を除く): 65235660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 1129, 1220, 1281, 1708, 1830, 2135, 2258, 2562, 3387, 3660, 4270, 4516, 5124, 5645, 6405, 6774, 7903, 8540, 11290, 12810, 13548, 15806, 16935, 22580, 23709, 25620, 31612, 33870, 39515, 47418, 67740, 68869, 79030, 94836, 118545, 137738, 158060, 206607, 237090, 275476, 344345, 413214, 474180, 482083, 688690, 826428, 964166, 1033035, 1377380, 1446249, 1928332, 2066070, 2410415, 2892498, 4132140, 4820830, 5784996, 7231245, 9641660, 14462490, 28924980]

約数ペア:

[(1, 28924980), (2, 14462490), (3, 9641660), (4, 7231245), (5, 5784996), (6, 4820830), (7, 4132140), (10, 2892498), (12, 2410415), (14, 2066070), (15, 1928332), (20, 1446249), (21, 1377380), (28, 1033035), (30, 964166), (35, 826428), (42, 688690), (60, 482083), (61, 474180), (70, 413214), (84, 344345), (105, 275476), (122, 237090), (140, 206607), (183, 158060), (210, 137738), (244, 118545), (305, 94836), (366, 79030), (420, 68869), (427, 67740), (610, 47418), (732, 39515), (854, 33870), (915, 31612), (1129, 25620), (1220, 23709), (1281, 22580), (1708, 16935), (1830, 15806), (2135, 13548), (2258, 12810), (2562, 11290), (3387, 8540), (3660, 7903), (4270, 6774), (4516, 6405), (5124, 5645)]