155501890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1627

約数の個数: 64

約数和(自身を含む): 322237440

約数和(自身を除く): 166735550

約数列:

[1, 2, 5, 10, 17, 19, 31, 34, 38, 62, 85, 95, 155, 170, 190, 310, 323, 527, 589, 646, 1054, 1178, 1553, 1615, 2635, 2945, 3106, 3230, 5270, 5890, 7765, 10013, 15530, 20026, 26401, 29507, 48143, 50065, 52802, 59014, 96286, 100130, 132005, 147535, 240715, 264010, 295070, 481430, 501619, 818431, 914717, 1003238, 1636862, 1829434, 2508095, 4092155, 4573585, 5016190, 8184310, 9147170, 15550189, 31100378, 77750945, 155501890]

約数ペア:

[(1, 155501890), (2, 77750945), (5, 31100378), (10, 15550189), (17, 9147170), (19, 8184310), (31, 5016190), (34, 4573585), (38, 4092155), (62, 2508095), (85, 1829434), (95, 1636862), (155, 1003238), (170, 914717), (190, 818431), (310, 501619), (323, 481430), (527, 295070), (589, 264010), (646, 240715), (1054, 147535), (1178, 132005), (1553, 100130), (1615, 96286), (2635, 59014), (2945, 52802), (3106, 50065), (3230, 48143), (5270, 29507), (5890, 26401), (7765, 20026), (10013, 15530)]