191078420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 451885056

約数和(自身を除く): 260806636

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 151, 155, 157, 260, 302, 310, 314, 403, 604, 620, 628, 755, 785, 806, 1510, 1570, 1612, 1963, 2015, 2041, 3020, 3140, 3926, 4030, 4082, 4681, 4867, 7852, 8060, 8164, 9362, 9734, 9815, 10205, 18724, 19468, 19630, 20410, 23405, 23707, 24335, 39260, 40820, 46810, 47414, 48670, 60853, 63271, 93620, 94828, 97340, 118535, 121706, 126542, 237070, 243412, 253084, 304265, 308191, 316355, 474140, 608530, 616382, 632710, 734917, 1217060, 1232764, 1265420, 1469834, 1540955, 2939668, 3081910, 3674585, 6163820, 7349170, 9553921, 14698340, 19107842, 38215684, 47769605, 95539210, 191078420]

約数ペア:

[(1, 191078420), (2, 95539210), (4, 47769605), (5, 38215684), (10, 19107842), (13, 14698340), (20, 9553921), (26, 7349170), (31, 6163820), (52, 3674585), (62, 3081910), (65, 2939668), (124, 1540955), (130, 1469834), (151, 1265420), (155, 1232764), (157, 1217060), (260, 734917), (302, 632710), (310, 616382), (314, 608530), (403, 474140), (604, 316355), (620, 308191), (628, 304265), (755, 253084), (785, 243412), (806, 237070), (1510, 126542), (1570, 121706), (1612, 118535), (1963, 97340), (2015, 94828), (2041, 93620), (3020, 63271), (3140, 60853), (3926, 48670), (4030, 47414), (4082, 46810), (4681, 40820), (4867, 39260), (7852, 24335), (8060, 23707), (8164, 23405), (9362, 20410), (9734, 19630), (9815, 19468), (10205, 18724)]