158889140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 368976384

約数和(自身を除く): 210087244

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 61, 68, 85, 94, 122, 163, 170, 188, 235, 244, 305, 326, 340, 470, 610, 652, 799, 815, 940, 1037, 1220, 1598, 1630, 2074, 2771, 2867, 3196, 3260, 3995, 4148, 5185, 5542, 5734, 7661, 7990, 9943, 10370, 11084, 11468, 13855, 14335, 15322, 15980, 19886, 20740, 27710, 28670, 30644, 38305, 39772, 48739, 49715, 55420, 57340, 76610, 97478, 99430, 130237, 153220, 169031, 194956, 198860, 243695, 260474, 338062, 467321, 487390, 520948, 651185, 676124, 845155, 934642, 974780, 1302370, 1690310, 1869284, 2336605, 2604740, 3380620, 4673210, 7944457, 9346420, 15888914, 31777828, 39722285, 79444570, 158889140]

約数ペア:

[(1, 158889140), (2, 79444570), (4, 39722285), (5, 31777828), (10, 15888914), (17, 9346420), (20, 7944457), (34, 4673210), (47, 3380620), (61, 2604740), (68, 2336605), (85, 1869284), (94, 1690310), (122, 1302370), (163, 974780), (170, 934642), (188, 845155), (235, 676124), (244, 651185), (305, 520948), (326, 487390), (340, 467321), (470, 338062), (610, 260474), (652, 243695), (799, 198860), (815, 194956), (940, 169031), (1037, 153220), (1220, 130237), (1598, 99430), (1630, 97478), (2074, 76610), (2771, 57340), (2867, 55420), (3196, 49715), (3260, 48739), (3995, 39772), (4148, 38305), (5185, 30644), (5542, 28670), (5734, 27710), (7661, 20740), (7990, 19886), (9943, 15980), (10370, 15322), (11084, 14335), (11468, 13855)]