201958980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:678

約数の個数: 144

約数和(自身を含む): 633353280

約数和(自身を除く): 431394300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 289, 323, 340, 380, 510, 570, 578, 613, 646, 867, 969, 1020, 1140, 1156, 1226, 1292, 1445, 1615, 1734, 1839, 1938, 2452, 2890, 3065, 3230, 3468, 3678, 3876, 4335, 4845, 5491, 5780, 6130, 6460, 7356, 8670, 9195, 9690, 10421, 10982, 11647, 12260, 16473, 17340, 18390, 19380, 20842, 21964, 23294, 27455, 31263, 32946, 34941, 36780, 41684, 46588, 52105, 54910, 58235, 62526, 65892, 69882, 82365, 104210, 109820, 116470, 125052, 139764, 156315, 164730, 174705, 177157, 197999, 208420, 232940, 312630, 329460, 349410, 354314, 395998, 531471, 593997, 625260, 698820, 708628, 791996, 885785, 989995, 1062942, 1187994, 1771570, 1979990, 2125884, 2375988, 2657355, 2969985, 3365983, 3543140, 3959980, 5314710, 5939970, 6731966, 10097949, 10629420, 11879940, 13463932, 16829915, 20195898, 33659830, 40391796, 50489745, 67319660, 100979490, 201958980]

約数ペア:

[(1, 201958980), (2, 100979490), (3, 67319660), (4, 50489745), (5, 40391796), (6, 33659830), (10, 20195898), (12, 16829915), (15, 13463932), (17, 11879940), (19, 10629420), (20, 10097949), (30, 6731966), (34, 5939970), (38, 5314710), (51, 3959980), (57, 3543140), (60, 3365983), (68, 2969985), (76, 2657355), (85, 2375988), (95, 2125884), (102, 1979990), (114, 1771570), (170, 1187994), (190, 1062942), (204, 989995), (228, 885785), (255, 791996), (285, 708628), (289, 698820), (323, 625260), (340, 593997), (380, 531471), (510, 395998), (570, 354314), (578, 349410), (613, 329460), (646, 312630), (867, 232940), (969, 208420), (1020, 197999), (1140, 177157), (1156, 174705), (1226, 164730), (1292, 156315), (1445, 139764), (1615, 125052), (1734, 116470), (1839, 109820), (1938, 104210), (2452, 82365), (2890, 69882), (3065, 65892), (3230, 62526), (3468, 58235), (3678, 54910), (3876, 52105), (4335, 46588), (4845, 41684), (5491, 36780), (5780, 34941), (6130, 32946), (6460, 31263), (7356, 27455), (8670, 23294), (9195, 21964), (9690, 20842), (10421, 19380), (10982, 18390), (11647, 17340), (12260, 16473)]