210449080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 524206080

約数和(自身を除く): 313757000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 47, 62, 92, 94, 115, 124, 155, 157, 184, 188, 230, 235, 248, 310, 314, 376, 460, 470, 620, 628, 713, 785, 920, 940, 1081, 1240, 1256, 1426, 1457, 1570, 1880, 2162, 2852, 2914, 3140, 3565, 3611, 4324, 4867, 5405, 5704, 5828, 6280, 7130, 7222, 7285, 7379, 8648, 9734, 10810, 11656, 14260, 14444, 14570, 14758, 18055, 19468, 21620, 24335, 28520, 28888, 29140, 29516, 33511, 36110, 36895, 38936, 43240, 48670, 58280, 59032, 67022, 72220, 73790, 97340, 111941, 134044, 144440, 147580, 167555, 169717, 194680, 223882, 228749, 268088, 295160, 335110, 339434, 447764, 457498, 559705, 670220, 678868, 848585, 895528, 914996, 1119410, 1143745, 1340440, 1357736, 1697170, 1829992, 2238820, 2287490, 3394340, 4477640, 4574980, 5261227, 6788680, 9149960, 10522454, 21044908, 26306135, 42089816, 52612270, 105224540, 210449080]

約数ペア:

[(1, 210449080), (2, 105224540), (4, 52612270), (5, 42089816), (8, 26306135), (10, 21044908), (20, 10522454), (23, 9149960), (31, 6788680), (40, 5261227), (46, 4574980), (47, 4477640), (62, 3394340), (92, 2287490), (94, 2238820), (115, 1829992), (124, 1697170), (155, 1357736), (157, 1340440), (184, 1143745), (188, 1119410), (230, 914996), (235, 895528), (248, 848585), (310, 678868), (314, 670220), (376, 559705), (460, 457498), (470, 447764), (620, 339434), (628, 335110), (713, 295160), (785, 268088), (920, 228749), (940, 223882), (1081, 194680), (1240, 169717), (1256, 167555), (1426, 147580), (1457, 144440), (1570, 134044), (1880, 111941), (2162, 97340), (2852, 73790), (2914, 72220), (3140, 67022), (3565, 59032), (3611, 58280), (4324, 48670), (4867, 43240), (5405, 38936), (5704, 36895), (5828, 36110), (6280, 33511), (7130, 29516), (7222, 29140), (7285, 28888), (7379, 28520), (8648, 24335), (9734, 21620), (10810, 19468), (11656, 18055), (14260, 14758), (14444, 14570)]