38991810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:244

約数の個数: 128

約数和(自身を含む): 112492800

約数和(自身を除く): 73500990

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 61, 65, 66, 78, 110, 122, 130, 143, 149, 165, 183, 195, 286, 298, 305, 330, 366, 390, 429, 447, 610, 671, 715, 745, 793, 858, 894, 915, 1342, 1430, 1490, 1586, 1639, 1830, 1937, 2013, 2145, 2235, 2379, 3278, 3355, 3874, 3965, 4026, 4290, 4470, 4758, 4917, 5811, 6710, 7930, 8195, 8723, 9089, 9685, 9834, 10065, 11622, 11895, 16390, 17446, 18178, 19370, 20130, 21307, 23790, 24585, 26169, 27267, 29055, 42614, 43615, 45445, 49170, 52338, 54534, 58110, 63921, 87230, 90890, 99979, 106535, 118157, 127842, 130845, 136335, 199958, 213070, 236314, 261690, 272670, 299937, 319605, 354471, 499895, 590785, 599874, 639210, 708942, 999790, 1181570, 1299727, 1499685, 1772355, 2599454, 2999370, 3544710, 3899181, 6498635, 7798362, 12997270, 19495905, 38991810]

約数ペア:

[(1, 38991810), (2, 19495905), (3, 12997270), (5, 7798362), (6, 6498635), (10, 3899181), (11, 3544710), (13, 2999370), (15, 2599454), (22, 1772355), (26, 1499685), (30, 1299727), (33, 1181570), (39, 999790), (55, 708942), (61, 639210), (65, 599874), (66, 590785), (78, 499895), (110, 354471), (122, 319605), (130, 299937), (143, 272670), (149, 261690), (165, 236314), (183, 213070), (195, 199958), (286, 136335), (298, 130845), (305, 127842), (330, 118157), (366, 106535), (390, 99979), (429, 90890), (447, 87230), (610, 63921), (671, 58110), (715, 54534), (745, 52338), (793, 49170), (858, 45445), (894, 43615), (915, 42614), (1342, 29055), (1430, 27267), (1490, 26169), (1586, 24585), (1639, 23790), (1830, 21307), (1937, 20130), (2013, 19370), (2145, 18178), (2235, 17446), (2379, 16390), (3278, 11895), (3355, 11622), (3874, 10065), (3965, 9834), (4026, 9685), (4290, 9089), (4470, 8723), (4758, 8195), (4917, 7930), (5811, 6710)]