17940984950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{4457}}^1$

素因数の和:4567

約数の個数: 144

約数和(自身を含む): 40835850624

約数和(自身を除く): 22894865674

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 49, 50, 53, 62, 70, 98, 106, 155, 175, 217, 245, 265, 310, 350, 371, 434, 490, 530, 742, 775, 1085, 1225, 1325, 1519, 1550, 1643, 1855, 2170, 2450, 2597, 2650, 3038, 3286, 3710, 4457, 5194, 5425, 7595, 8215, 8914, 9275, 10850, 11501, 12985, 15190, 16430, 18550, 22285, 23002, 25970, 31199, 37975, 41075, 44570, 57505, 62398, 64925, 75950, 80507, 82150, 111425, 115010, 129850, 138167, 155995, 161014, 218393, 222850, 236221, 276334, 287525, 311990, 402535, 436786, 472442, 575050, 690835, 779975, 805070, 967169, 1091965, 1181105, 1381670, 1559950, 1653547, 1934338, 2012675, 2183930, 2362210, 3307094, 3454175, 4025350, 4835845, 5459825, 5905525, 6770183, 6908350, 7322851, 8267735, 9671690, 10919650, 11574829, 11811050, 13540366, 14645702, 16535470, 23149658, 24179225, 33850915, 36614255, 41338675, 48358450, 51259957, 57874145, 67701830, 73228510, 82677350, 102519914, 115748290, 169254575, 183071275, 256299785, 289370725, 338509150, 358819699, 366142550, 512599570, 578741450, 717639398, 1281498925, 1794098495, 2562997850, 3588196990, 8970492475, 17940984950]

約数ペア:

[(1, 17940984950), (2, 8970492475), (5, 3588196990), (7, 2562997850), (10, 1794098495), (14, 1281498925), (25, 717639398), (31, 578741450), (35, 512599570), (49, 366142550), (50, 358819699), (53, 338509150), (62, 289370725), (70, 256299785), (98, 183071275), (106, 169254575), (155, 115748290), (175, 102519914), (217, 82677350), (245, 73228510), (265, 67701830), (310, 57874145), (350, 51259957), (371, 48358450), (434, 41338675), (490, 36614255), (530, 33850915), (742, 24179225), (775, 23149658), (1085, 16535470), (1225, 14645702), (1325, 13540366), (1519, 11811050), (1550, 11574829), (1643, 10919650), (1855, 9671690), (2170, 8267735), (2450, 7322851), (2597, 6908350), (2650, 6770183), (3038, 5905525), (3286, 5459825), (3710, 4835845), (4457, 4025350), (5194, 3454175), (5425, 3307094), (7595, 2362210), (8215, 2183930), (8914, 2012675), (9275, 1934338), (10850, 1653547), (11501, 1559950), (12985, 1381670), (15190, 1181105), (16430, 1091965), (18550, 967169), (22285, 805070), (23002, 779975), (25970, 690835), (31199, 575050), (37975, 472442), (41075, 436786), (44570, 402535), (57505, 311990), (62398, 287525), (64925, 276334), (75950, 236221), (80507, 222850), (82150, 218393), (111425, 161014), (115010, 155995), (129850, 138167)]