3498989840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{74257}}^1$

素因数の和:74320

約数の個数: 80

約数和(自身を含む): 8839672320

約数和(自身を除く): 5340682480

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, 4712, 5890, 9424, 11780, 23560, 47120, 74257, 148514, 297028, 371285, 594056, 742570, 1188112, 1410883, 1485140, 2301967, 2821766, 2970280, 4603934, 5643532, 5940560, 7054415, 9207868, 11287064, 11509835, 14108830, 18415736, 22574128, 23019670, 28217660, 36831472, 43737373, 46039340, 56435320, 87474746, 92078680, 112870640, 174949492, 184157360, 218686865, 349898984, 437373730, 699797968, 874747460, 1749494920, 3498989840]

約数ペア:

[(1, 3498989840), (2, 1749494920), (4, 874747460), (5, 699797968), (8, 437373730), (10, 349898984), (16, 218686865), (19, 184157360), (20, 174949492), (31, 112870640), (38, 92078680), (40, 87474746), (62, 56435320), (76, 46039340), (80, 43737373), (95, 36831472), (124, 28217660), (152, 23019670), (155, 22574128), (190, 18415736), (248, 14108830), (304, 11509835), (310, 11287064), (380, 9207868), (496, 7054415), (589, 5940560), (620, 5643532), (760, 4603934), (1178, 2970280), (1240, 2821766), (1520, 2301967), (2356, 1485140), (2480, 1410883), (2945, 1188112), (4712, 742570), (5890, 594056), (9424, 371285), (11780, 297028), (23560, 148514), (47120, 74257)]