450201220

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:163

約数の個数: 192

約数和(自身を含む): 1193472000

約数和(自身を除く): 743270780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 31, 35, 49, 58, 62, 70, 73, 98, 116, 124, 140, 145, 146, 155, 196, 203, 217, 245, 290, 292, 310, 343, 365, 406, 434, 490, 511, 580, 620, 686, 730, 812, 868, 899, 980, 1015, 1022, 1085, 1372, 1421, 1460, 1519, 1715, 1798, 2030, 2044, 2117, 2170, 2263, 2555, 2842, 3038, 3430, 3577, 3596, 4060, 4234, 4340, 4495, 4526, 5110, 5684, 6076, 6293, 6860, 7105, 7154, 7595, 8468, 8990, 9052, 9947, 10220, 10585, 10633, 11315, 12586, 14210, 14308, 14819, 15190, 15841, 17885, 17980, 19894, 21170, 21266, 22630, 25039, 25172, 28420, 29638, 30380, 31465, 31682, 35770, 39788, 42340, 42532, 44051, 45260, 49735, 50078, 53165, 59276, 62930, 63364, 65627, 71540, 74095, 79205, 88102, 99470, 100156, 103733, 106330, 110887, 125195, 125860, 131254, 148190, 158410, 176204, 198940, 207466, 212660, 220255, 221774, 250390, 262508, 296380, 308357, 316820, 328135, 414932, 440510, 443548, 459389, 500780, 518665, 554435, 616714, 656270, 726131, 776209, 881020, 918778, 1037330, 1108870, 1233428, 1312540, 1452262, 1541785, 1552418, 1837556, 2074660, 2217740, 2296945, 2904524, 3083570, 3104836, 3215723, 3630655, 3881045, 4593890, 6167140, 6431446, 7261310, 7762090, 9187780, 12862892, 14522620, 15524180, 16078615, 22510061, 32157230, 45020122, 64314460, 90040244, 112550305, 225100610, 450201220]

約数ペア:

[(1, 450201220), (2, 225100610), (4, 112550305), (5, 90040244), (7, 64314460), (10, 45020122), (14, 32157230), (20, 22510061), (28, 16078615), (29, 15524180), (31, 14522620), (35, 12862892), (49, 9187780), (58, 7762090), (62, 7261310), (70, 6431446), (73, 6167140), (98, 4593890), (116, 3881045), (124, 3630655), (140, 3215723), (145, 3104836), (146, 3083570), (155, 2904524), (196, 2296945), (203, 2217740), (217, 2074660), (245, 1837556), (290, 1552418), (292, 1541785), (310, 1452262), (343, 1312540), (365, 1233428), (406, 1108870), (434, 1037330), (490, 918778), (511, 881020), (580, 776209), (620, 726131), (686, 656270), (730, 616714), (812, 554435), (868, 518665), (899, 500780), (980, 459389), (1015, 443548), (1022, 440510), (1085, 414932), (1372, 328135), (1421, 316820), (1460, 308357), (1519, 296380), (1715, 262508), (1798, 250390), (2030, 221774), (2044, 220255), (2117, 212660), (2170, 207466), (2263, 198940), (2555, 176204), (2842, 158410), (3038, 148190), (3430, 131254), (3577, 125860), (3596, 125195), (4060, 110887), (4234, 106330), (4340, 103733), (4495, 100156), (4526, 99470), (5110, 88102), (5684, 79205), (6076, 74095), (6293, 71540), (6860, 65627), (7105, 63364), (7154, 62930), (7595, 59276), (8468, 53165), (8990, 50078), (9052, 49735), (9947, 45260), (10220, 44051), (10585, 42532), (10633, 42340), (11315, 39788), (12586, 35770), (14210, 31682), (14308, 31465), (14819, 30380), (15190, 29638), (15841, 28420), (17885, 25172), (17980, 25039), (19894, 22630), (21170, 21266)]