252378490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1031}}^1$

素因数の和:1327

約数の個数: 64

約数和(自身を含む): 561738240

約数和(自身を除く): 309359750

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 269, 455, 538, 910, 1031, 1345, 1883, 2062, 2690, 3497, 3766, 5155, 6994, 7217, 9415, 10310, 13403, 14434, 17485, 18830, 24479, 26806, 34970, 36085, 48958, 67015, 72170, 93821, 122395, 134030, 187642, 244790, 277339, 469105, 554678, 938210, 1386695, 1941373, 2773390, 3605407, 3882746, 7210814, 9706865, 18027035, 19413730, 25237849, 36054070, 50475698, 126189245, 252378490]

約数ペア:

[(1, 252378490), (2, 126189245), (5, 50475698), (7, 36054070), (10, 25237849), (13, 19413730), (14, 18027035), (26, 9706865), (35, 7210814), (65, 3882746), (70, 3605407), (91, 2773390), (130, 1941373), (182, 1386695), (269, 938210), (455, 554678), (538, 469105), (910, 277339), (1031, 244790), (1345, 187642), (1883, 134030), (2062, 122395), (2690, 93821), (3497, 72170), (3766, 67015), (5155, 48958), (6994, 36085), (7217, 34970), (9415, 26806), (10310, 24479), (13403, 18830), (14434, 17485)]