204085140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2179}}^1$

素因数の和:2421

約数の個数: 96

約数和(自身を含む): 656302080

約数和(自身を除く): 452216940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 223, 420, 446, 669, 892, 1115, 1338, 1561, 2179, 2230, 2676, 3122, 3345, 4358, 4460, 4683, 6244, 6537, 6690, 7805, 8716, 9366, 10895, 13074, 13380, 15253, 15610, 18732, 21790, 23415, 26148, 30506, 31220, 32685, 43580, 45759, 46830, 61012, 65370, 76265, 91518, 93660, 130740, 152530, 183036, 228795, 305060, 457590, 485917, 915180, 971834, 1457751, 1943668, 2429585, 2915502, 3401419, 4859170, 5831004, 6802838, 7288755, 9718340, 10204257, 13605676, 14577510, 17007095, 20408514, 29155020, 34014190, 40817028, 51021285, 68028380, 102042570, 204085140]

約数ペア:

[(1, 204085140), (2, 102042570), (3, 68028380), (4, 51021285), (5, 40817028), (6, 34014190), (7, 29155020), (10, 20408514), (12, 17007095), (14, 14577510), (15, 13605676), (20, 10204257), (21, 9718340), (28, 7288755), (30, 6802838), (35, 5831004), (42, 4859170), (60, 3401419), (70, 2915502), (84, 2429585), (105, 1943668), (140, 1457751), (210, 971834), (223, 915180), (420, 485917), (446, 457590), (669, 305060), (892, 228795), (1115, 183036), (1338, 152530), (1561, 130740), (2179, 93660), (2230, 91518), (2676, 76265), (3122, 65370), (3345, 61012), (4358, 46830), (4460, 45759), (4683, 43580), (6244, 32685), (6537, 31220), (6690, 30506), (7805, 26148), (8716, 23415), (9366, 21790), (10895, 18732), (13074, 15610), (13380, 15253)]