71214440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 189112320

約数和(自身を除く): 117897880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 31, 40, 44, 46, 55, 62, 88, 92, 110, 115, 124, 155, 184, 220, 227, 230, 248, 253, 310, 341, 440, 454, 460, 506, 620, 682, 713, 908, 920, 1012, 1135, 1240, 1265, 1364, 1426, 1705, 1816, 2024, 2270, 2497, 2530, 2728, 2852, 3410, 3565, 4540, 4994, 5060, 5221, 5704, 6820, 7037, 7130, 7843, 9080, 9988, 10120, 10442, 12485, 13640, 14074, 14260, 15686, 19976, 20884, 24970, 26105, 28148, 28520, 31372, 35185, 39215, 41768, 49940, 52210, 56296, 57431, 62744, 70370, 77407, 78430, 99880, 104420, 114862, 140740, 154814, 156860, 161851, 208840, 229724, 281480, 287155, 309628, 313720, 323702, 387035, 459448, 574310, 619256, 647404, 774070, 809255, 1148620, 1294808, 1548140, 1618510, 1780361, 2297240, 3096280, 3237020, 3560722, 6474040, 7121444, 8901805, 14242888, 17803610, 35607220, 71214440]

約数ペア:

[(1, 71214440), (2, 35607220), (4, 17803610), (5, 14242888), (8, 8901805), (10, 7121444), (11, 6474040), (20, 3560722), (22, 3237020), (23, 3096280), (31, 2297240), (40, 1780361), (44, 1618510), (46, 1548140), (55, 1294808), (62, 1148620), (88, 809255), (92, 774070), (110, 647404), (115, 619256), (124, 574310), (155, 459448), (184, 387035), (220, 323702), (227, 313720), (230, 309628), (248, 287155), (253, 281480), (310, 229724), (341, 208840), (440, 161851), (454, 156860), (460, 154814), (506, 140740), (620, 114862), (682, 104420), (713, 99880), (908, 78430), (920, 77407), (1012, 70370), (1135, 62744), (1240, 57431), (1265, 56296), (1364, 52210), (1426, 49940), (1705, 41768), (1816, 39215), (2024, 35185), (2270, 31372), (2497, 28520), (2530, 28148), (2728, 26105), (2852, 24970), (3410, 20884), (3565, 19976), (4540, 15686), (4994, 14260), (5060, 14074), (5221, 13640), (5704, 12485), (6820, 10442), (7037, 10120), (7130, 9988), (7843, 9080)]