72842140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{9817}}^1$

素因数の和:9886

約数の個数: 48

約数和(自身を含む): 178137792

約数和(自身を除く): 105295652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 9817, 19634, 39268, 49085, 68719, 98170, 137438, 196340, 274876, 343595, 520301, 687190, 1040602, 1374380, 2081204, 2601505, 3642107, 5203010, 7284214, 10406020, 14568428, 18210535, 36421070, 72842140]

約数ペア:

[(1, 72842140), (2, 36421070), (4, 18210535), (5, 14568428), (7, 10406020), (10, 7284214), (14, 5203010), (20, 3642107), (28, 2601505), (35, 2081204), (53, 1374380), (70, 1040602), (106, 687190), (140, 520301), (212, 343595), (265, 274876), (371, 196340), (530, 137438), (742, 98170), (1060, 68719), (1484, 49085), (1855, 39268), (3710, 19634), (7420, 9817)]