290207120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:353

約数の個数: 160

約数和(自身を含む): 810424320

約数和(自身を除く): 520217200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 73, 80, 112, 124, 140, 146, 155, 217, 229, 248, 280, 292, 310, 365, 434, 458, 496, 511, 560, 584, 620, 730, 868, 916, 1022, 1085, 1145, 1168, 1240, 1460, 1603, 1736, 1832, 2044, 2170, 2263, 2290, 2480, 2555, 2920, 3206, 3472, 3664, 4088, 4340, 4526, 4580, 5110, 5840, 6412, 7099, 8015, 8176, 8680, 9052, 9160, 10220, 11315, 12824, 14198, 15841, 16030, 16717, 17360, 18104, 18320, 20440, 22630, 25648, 28396, 31682, 32060, 33434, 35495, 36208, 40880, 45260, 49693, 56792, 63364, 64120, 66868, 70990, 79205, 83585, 90520, 99386, 113584, 117019, 126728, 128240, 133736, 141980, 158410, 167170, 181040, 198772, 234038, 248465, 253456, 267472, 283960, 316820, 334340, 397544, 468076, 496930, 518227, 567920, 585095, 633640, 668680, 795088, 936152, 993860, 1036454, 1170190, 1267280, 1337360, 1872304, 1987720, 2072908, 2340380, 2591135, 3627589, 3975440, 4145816, 4680760, 5182270, 7255178, 8291632, 9361520, 10364540, 14510356, 18137945, 20729080, 29020712, 36275890, 41458160, 58041424, 72551780, 145103560, 290207120]

約数ペア:

[(1, 290207120), (2, 145103560), (4, 72551780), (5, 58041424), (7, 41458160), (8, 36275890), (10, 29020712), (14, 20729080), (16, 18137945), (20, 14510356), (28, 10364540), (31, 9361520), (35, 8291632), (40, 7255178), (56, 5182270), (62, 4680760), (70, 4145816), (73, 3975440), (80, 3627589), (112, 2591135), (124, 2340380), (140, 2072908), (146, 1987720), (155, 1872304), (217, 1337360), (229, 1267280), (248, 1170190), (280, 1036454), (292, 993860), (310, 936152), (365, 795088), (434, 668680), (458, 633640), (496, 585095), (511, 567920), (560, 518227), (584, 496930), (620, 468076), (730, 397544), (868, 334340), (916, 316820), (1022, 283960), (1085, 267472), (1145, 253456), (1168, 248465), (1240, 234038), (1460, 198772), (1603, 181040), (1736, 167170), (1832, 158410), (2044, 141980), (2170, 133736), (2263, 128240), (2290, 126728), (2480, 117019), (2555, 113584), (2920, 99386), (3206, 90520), (3472, 83585), (3664, 79205), (4088, 70990), (4340, 66868), (4526, 64120), (4580, 63364), (5110, 56792), (5840, 49693), (6412, 45260), (7099, 40880), (8015, 36208), (8176, 35495), (8680, 33434), (9052, 32060), (9160, 31682), (10220, 28396), (11315, 25648), (12824, 22630), (14198, 20440), (15841, 18320), (16030, 18104), (16717, 17360)]