201781290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1553}}^1$

素因数の和:1695

約数の個数: 64

約数和(自身を含む): 499468032

約数和(自身を除く): 297686742

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 71, 122, 142, 183, 213, 305, 355, 366, 426, 610, 710, 915, 1065, 1553, 1830, 2130, 3106, 4331, 4659, 7765, 8662, 9318, 12993, 15530, 21655, 23295, 25986, 43310, 46590, 64965, 94733, 110263, 129930, 189466, 220526, 284199, 330789, 473665, 551315, 568398, 661578, 947330, 1102630, 1420995, 1653945, 2841990, 3307890, 6726043, 13452086, 20178129, 33630215, 40356258, 67260430, 100890645, 201781290]

約数ペア:

[(1, 201781290), (2, 100890645), (3, 67260430), (5, 40356258), (6, 33630215), (10, 20178129), (15, 13452086), (30, 6726043), (61, 3307890), (71, 2841990), (122, 1653945), (142, 1420995), (183, 1102630), (213, 947330), (305, 661578), (355, 568398), (366, 551315), (426, 473665), (610, 330789), (710, 284199), (915, 220526), (1065, 189466), (1553, 129930), (1830, 110263), (2130, 94733), (3106, 64965), (4331, 46590), (4659, 43310), (7765, 25986), (8662, 23295), (9318, 21655), (12993, 15530)]