102542980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 232246728

約数和(自身を除く): 129703748

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 113, 157, 170, 226, 289, 314, 340, 452, 565, 578, 628, 785, 1130, 1156, 1445, 1570, 1921, 2260, 2669, 2890, 3140, 3842, 5338, 5780, 7684, 9605, 10676, 13345, 17741, 19210, 26690, 32657, 35482, 38420, 45373, 53380, 65314, 70964, 88705, 90746, 130628, 163285, 177410, 181492, 226865, 301597, 326570, 354820, 453730, 603194, 653140, 907460, 1206388, 1507985, 3015970, 5127149, 6031940, 10254298, 20508596, 25635745, 51271490, 102542980]

約数ペア:

[(1, 102542980), (2, 51271490), (4, 25635745), (5, 20508596), (10, 10254298), (17, 6031940), (20, 5127149), (34, 3015970), (68, 1507985), (85, 1206388), (113, 907460), (157, 653140), (170, 603194), (226, 453730), (289, 354820), (314, 326570), (340, 301597), (452, 226865), (565, 181492), (578, 177410), (628, 163285), (785, 130628), (1130, 90746), (1156, 88705), (1445, 70964), (1570, 65314), (1921, 53380), (2260, 45373), (2669, 38420), (2890, 35482), (3140, 32657), (3842, 26690), (5338, 19210), (5780, 17741), (7684, 13345), (9605, 10676)]