650013560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2003}}^1$

素因数の和:2101

約数の個数: 128

約数和(自身を含む): 1789171200

約数和(自身を除く): 1139157640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 61, 70, 76, 95, 122, 133, 140, 152, 190, 244, 266, 280, 305, 380, 427, 488, 532, 610, 665, 760, 854, 1064, 1159, 1220, 1330, 1708, 2003, 2135, 2318, 2440, 2660, 3416, 4006, 4270, 4636, 5320, 5795, 8012, 8113, 8540, 9272, 10015, 11590, 14021, 16024, 16226, 17080, 20030, 23180, 28042, 32452, 38057, 40060, 40565, 46360, 56084, 64904, 70105, 76114, 80120, 81130, 112168, 122183, 140210, 152228, 162260, 190285, 244366, 266399, 280420, 304456, 324520, 380570, 488732, 532798, 560840, 610915, 761140, 855281, 977464, 1065596, 1221830, 1331995, 1522280, 1710562, 2131192, 2321477, 2443660, 2663990, 3421124, 4276405, 4642954, 4887320, 5327980, 6842248, 8552810, 9285908, 10655960, 11607385, 16250339, 17105620, 18571816, 23214770, 32500678, 34211240, 46429540, 65001356, 81251695, 92859080, 130002712, 162503390, 325006780, 650013560]

約数ペア:

[(1, 650013560), (2, 325006780), (4, 162503390), (5, 130002712), (7, 92859080), (8, 81251695), (10, 65001356), (14, 46429540), (19, 34211240), (20, 32500678), (28, 23214770), (35, 18571816), (38, 17105620), (40, 16250339), (56, 11607385), (61, 10655960), (70, 9285908), (76, 8552810), (95, 6842248), (122, 5327980), (133, 4887320), (140, 4642954), (152, 4276405), (190, 3421124), (244, 2663990), (266, 2443660), (280, 2321477), (305, 2131192), (380, 1710562), (427, 1522280), (488, 1331995), (532, 1221830), (610, 1065596), (665, 977464), (760, 855281), (854, 761140), (1064, 610915), (1159, 560840), (1220, 532798), (1330, 488732), (1708, 380570), (2003, 324520), (2135, 304456), (2318, 280420), (2440, 266399), (2660, 244366), (3416, 190285), (4006, 162260), (4270, 152228), (4636, 140210), (5320, 122183), (5795, 112168), (8012, 81130), (8113, 80120), (8540, 76114), (9272, 70105), (10015, 64904), (11590, 56084), (14021, 46360), (16024, 40565), (16226, 40060), (17080, 38057), (20030, 32452), (23180, 28042)]