1900698040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{829}}^1$

素因数の和:957

約数の個数: 96

約数和(自身を含む): 4525027200

約数和(自身を除く): 2624329160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 829, 860, 1240, 1333, 1658, 1720, 1849, 2666, 3316, 3698, 4145, 5332, 6632, 6665, 7396, 8290, 9245, 10664, 13330, 14792, 16580, 18490, 25699, 26660, 33160, 35647, 36980, 51398, 53320, 57319, 71294, 73960, 102796, 114638, 128495, 142588, 178235, 205592, 229276, 256990, 285176, 286595, 356470, 458552, 513980, 573190, 712940, 1027960, 1105057, 1146380, 1425880, 1532821, 2210114, 2292760, 3065642, 4420228, 5525285, 6131284, 7664105, 8840456, 11050570, 12262568, 15328210, 22101140, 30656420, 44202280, 47517451, 61312840, 95034902, 190069804, 237587255, 380139608, 475174510, 950349020, 1900698040]

約数ペア:

[(1, 1900698040), (2, 950349020), (4, 475174510), (5, 380139608), (8, 237587255), (10, 190069804), (20, 95034902), (31, 61312840), (40, 47517451), (43, 44202280), (62, 30656420), (86, 22101140), (124, 15328210), (155, 12262568), (172, 11050570), (215, 8840456), (248, 7664105), (310, 6131284), (344, 5525285), (430, 4420228), (620, 3065642), (829, 2292760), (860, 2210114), (1240, 1532821), (1333, 1425880), (1658, 1146380), (1720, 1105057), (1849, 1027960), (2666, 712940), (3316, 573190), (3698, 513980), (4145, 458552), (5332, 356470), (6632, 286595), (6665, 285176), (7396, 256990), (8290, 229276), (9245, 205592), (10664, 178235), (13330, 142588), (14792, 128495), (16580, 114638), (18490, 102796), (25699, 73960), (26660, 71294), (33160, 57319), (35647, 53320), (36980, 51398)]