537124540

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1\times {\mathrm{659}}^1$

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 1145612160

約数和(自身を除く): 608487620

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 491, 659, 830, 982, 1318, 1660, 1964, 2455, 2636, 3295, 4910, 6590, 9820, 13180, 40753, 54697, 81506, 109394, 163012, 203765, 218788, 273485, 323569, 407530, 546970, 647138, 815060, 1093940, 1294276, 1617845, 3235690, 6471380, 26856227, 53712454, 107424908, 134281135, 268562270, 537124540]

約数ペア:

[(1, 537124540), (2, 268562270), (4, 134281135), (5, 107424908), (10, 53712454), (20, 26856227), (83, 6471380), (166, 3235690), (332, 1617845), (415, 1294276), (491, 1093940), (659, 815060), (830, 647138), (982, 546970), (1318, 407530), (1660, 323569), (1964, 273485), (2455, 218788), (2636, 203765), (3295, 163012), (4910, 109394), (6590, 81506), (9820, 54697), (13180, 40753)]