205376860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:443

約数の個数: 96

約数和(自身を含む): 486807552

約数和(自身を除く): 281430692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 83, 124, 130, 155, 166, 260, 307, 310, 332, 403, 415, 614, 620, 806, 830, 1079, 1228, 1535, 1612, 1660, 2015, 2158, 2573, 3070, 3991, 4030, 4316, 5146, 5395, 6140, 7982, 8060, 9517, 10292, 10790, 12865, 15964, 19034, 19955, 21580, 25481, 25730, 33449, 38068, 39910, 47585, 50962, 51460, 66898, 79820, 95170, 101924, 123721, 127405, 133796, 167245, 190340, 247442, 254810, 331253, 334490, 494884, 509620, 618605, 662506, 668980, 789911, 1237210, 1325012, 1579822, 1656265, 2474420, 3159644, 3312530, 3949555, 6625060, 7899110, 10268843, 15798220, 20537686, 41075372, 51344215, 102688430, 205376860]

約数ペア:

[(1, 205376860), (2, 102688430), (4, 51344215), (5, 41075372), (10, 20537686), (13, 15798220), (20, 10268843), (26, 7899110), (31, 6625060), (52, 3949555), (62, 3312530), (65, 3159644), (83, 2474420), (124, 1656265), (130, 1579822), (155, 1325012), (166, 1237210), (260, 789911), (307, 668980), (310, 662506), (332, 618605), (403, 509620), (415, 494884), (614, 334490), (620, 331253), (806, 254810), (830, 247442), (1079, 190340), (1228, 167245), (1535, 133796), (1612, 127405), (1660, 123721), (2015, 101924), (2158, 95170), (2573, 79820), (3070, 66898), (3991, 51460), (4030, 50962), (4316, 47585), (5146, 39910), (5395, 38068), (6140, 33449), (7982, 25730), (8060, 25481), (9517, 21580), (10292, 19955), (10790, 19034), (12865, 15964)]