42650620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 97788096

約数和(自身を除く): 55137476

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 157, 170, 188, 235, 289, 314, 340, 470, 578, 628, 785, 799, 940, 1156, 1445, 1570, 1598, 2669, 2890, 3140, 3196, 3995, 5338, 5780, 7379, 7990, 10676, 13345, 13583, 14758, 15980, 26690, 27166, 29516, 36895, 45373, 53380, 54332, 67915, 73790, 90746, 125443, 135830, 147580, 181492, 226865, 250886, 271660, 453730, 501772, 627215, 907460, 1254430, 2132531, 2508860, 4265062, 8530124, 10662655, 21325310, 42650620]

約数ペア:

[(1, 42650620), (2, 21325310), (4, 10662655), (5, 8530124), (10, 4265062), (17, 2508860), (20, 2132531), (34, 1254430), (47, 907460), (68, 627215), (85, 501772), (94, 453730), (157, 271660), (170, 250886), (188, 226865), (235, 181492), (289, 147580), (314, 135830), (340, 125443), (470, 90746), (578, 73790), (628, 67915), (785, 54332), (799, 53380), (940, 45373), (1156, 36895), (1445, 29516), (1570, 27166), (1598, 26690), (2669, 15980), (2890, 14758), (3140, 13583), (3196, 13345), (3995, 10676), (5338, 7990), (5780, 7379)]