149968390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:278

約数の個数: 128

約数和(自身を含む): 348364800

約数和(自身を除く): 198396410

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 31, 34, 55, 62, 65, 85, 110, 130, 143, 155, 170, 187, 199, 221, 286, 310, 341, 374, 398, 403, 442, 527, 682, 715, 806, 935, 995, 1054, 1105, 1430, 1705, 1870, 1990, 2015, 2189, 2210, 2431, 2587, 2635, 3383, 3410, 4030, 4378, 4433, 4862, 5174, 5270, 5797, 6169, 6766, 6851, 8866, 10945, 11594, 12155, 12338, 12935, 13702, 16915, 21890, 22165, 24310, 25870, 28457, 28985, 30845, 33830, 34255, 37213, 43979, 44330, 56914, 57970, 61690, 67859, 68510, 74426, 75361, 80197, 87958, 104873, 135718, 142285, 150722, 160394, 186065, 209746, 219895, 284570, 339295, 372130, 376805, 400985, 439790, 483769, 524365, 678590, 753610, 801970, 882167, 967538, 1048730, 1153603, 1363349, 1764334, 2307206, 2418845, 2726698, 4410835, 4837690, 5768015, 6816745, 8821670, 11536030, 13633490, 14996839, 29993678, 74984195, 149968390]

約数ペア:

[(1, 149968390), (2, 74984195), (5, 29993678), (10, 14996839), (11, 13633490), (13, 11536030), (17, 8821670), (22, 6816745), (26, 5768015), (31, 4837690), (34, 4410835), (55, 2726698), (62, 2418845), (65, 2307206), (85, 1764334), (110, 1363349), (130, 1153603), (143, 1048730), (155, 967538), (170, 882167), (187, 801970), (199, 753610), (221, 678590), (286, 524365), (310, 483769), (341, 439790), (374, 400985), (398, 376805), (403, 372130), (442, 339295), (527, 284570), (682, 219895), (715, 209746), (806, 186065), (935, 160394), (995, 150722), (1054, 142285), (1105, 135718), (1430, 104873), (1705, 87958), (1870, 80197), (1990, 75361), (2015, 74426), (2189, 68510), (2210, 67859), (2431, 61690), (2587, 57970), (2635, 56914), (3383, 44330), (3410, 43979), (4030, 37213), (4378, 34255), (4433, 33830), (4862, 30845), (5174, 28985), (5270, 28457), (5797, 25870), (6169, 24310), (6766, 22165), (6851, 21890), (8866, 16915), (10945, 13702), (11594, 12935), (12155, 12338)]