221605360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4703}}^1$

素因数の和:4766

約数の個数: 80

約数和(自身を含む): 559964160

約数和(自身を除く): 338358800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4703, 4712, 5890, 9406, 9424, 11780, 18812, 23515, 23560, 37624, 47030, 47120, 75248, 89357, 94060, 145793, 178714, 188120, 291586, 357428, 376240, 446785, 583172, 714856, 728965, 893570, 1166344, 1429712, 1457930, 1787140, 2332688, 2770067, 2915860, 3574280, 5540134, 5831720, 7148560, 11080268, 11663440, 13850335, 22160536, 27700670, 44321072, 55401340, 110802680, 221605360]

約数ペア:

[(1, 221605360), (2, 110802680), (4, 55401340), (5, 44321072), (8, 27700670), (10, 22160536), (16, 13850335), (19, 11663440), (20, 11080268), (31, 7148560), (38, 5831720), (40, 5540134), (62, 3574280), (76, 2915860), (80, 2770067), (95, 2332688), (124, 1787140), (152, 1457930), (155, 1429712), (190, 1166344), (248, 893570), (304, 728965), (310, 714856), (380, 583172), (496, 446785), (589, 376240), (620, 357428), (760, 291586), (1178, 188120), (1240, 178714), (1520, 145793), (2356, 94060), (2480, 89357), (2945, 75248), (4703, 47120), (4712, 47030), (5890, 37624), (9406, 23560), (9424, 23515), (11780, 18812)]