1928857580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{701}}^1$

素因数の和:1299

約数の個数: 96

約数和(自身を含む): 4606580160

約数和(自身を除く): 2677722580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 557, 701, 988, 1114, 1235, 1402, 2228, 2470, 2785, 2804, 3505, 4940, 5570, 7010, 7241, 9113, 10583, 11140, 13319, 14020, 14482, 18226, 21166, 26638, 28964, 36205, 36452, 42332, 45565, 52915, 53276, 66595, 72410, 91130, 105830, 133190, 137579, 144820, 173147, 182260, 211660, 266380, 275158, 346294, 390457, 550316, 687895, 692588, 780914, 865735, 1375790, 1561828, 1731470, 1952285, 2751580, 3462940, 3904570, 5075941, 7418683, 7809140, 10151882, 14837366, 20303764, 25379705, 29674732, 37093415, 50759410, 74186830, 96442879, 101518820, 148373660, 192885758, 385771516, 482214395, 964428790, 1928857580]

約数ペア:

[(1, 1928857580), (2, 964428790), (4, 482214395), (5, 385771516), (10, 192885758), (13, 148373660), (19, 101518820), (20, 96442879), (26, 74186830), (38, 50759410), (52, 37093415), (65, 29674732), (76, 25379705), (95, 20303764), (130, 14837366), (190, 10151882), (247, 7809140), (260, 7418683), (380, 5075941), (494, 3904570), (557, 3462940), (701, 2751580), (988, 1952285), (1114, 1731470), (1235, 1561828), (1402, 1375790), (2228, 865735), (2470, 780914), (2785, 692588), (2804, 687895), (3505, 550316), (4940, 390457), (5570, 346294), (7010, 275158), (7241, 266380), (9113, 211660), (10583, 182260), (11140, 173147), (13319, 144820), (14020, 137579), (14482, 133190), (18226, 105830), (21166, 91130), (26638, 72410), (28964, 66595), (36205, 53276), (36452, 52915), (42332, 45565)]