138317970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21247}}^1$

素因数の和:21295

約数の個数: 64

約数和(自身を含む): 391643136

約数和(自身を除く): 253325166

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3255, 6510, 21247, 42494, 63741, 106235, 127482, 148729, 212470, 297458, 318705, 446187, 637410, 658657, 743645, 892374, 1317314, 1487290, 1975971, 2230935, 3293285, 3951942, 4461870, 4610599, 6586570, 9221198, 9879855, 13831797, 19759710, 23052995, 27663594, 46105990, 69158985, 138317970]

約数ペア:

[(1, 138317970), (2, 69158985), (3, 46105990), (5, 27663594), (6, 23052995), (7, 19759710), (10, 13831797), (14, 9879855), (15, 9221198), (21, 6586570), (30, 4610599), (31, 4461870), (35, 3951942), (42, 3293285), (62, 2230935), (70, 1975971), (93, 1487290), (105, 1317314), (155, 892374), (186, 743645), (210, 658657), (217, 637410), (310, 446187), (434, 318705), (465, 297458), (651, 212470), (930, 148729), (1085, 127482), (1302, 106235), (2170, 63741), (3255, 42494), (6510, 21247)]