2021287940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1\times {\mathrm{593}}^1$

素因数の和:957

約数の個数: 96

約数和(自身を含む): 4928926464

約数和(自身を除く): 2907638524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 251, 388, 485, 502, 593, 679, 970, 1004, 1186, 1255, 1358, 1757, 1940, 2372, 2510, 2716, 2965, 3395, 3514, 4151, 5020, 5930, 6790, 7028, 8302, 8785, 11860, 13580, 16604, 17570, 20755, 24347, 35140, 41510, 48694, 57521, 83020, 97388, 115042, 121735, 148843, 170429, 230084, 243470, 287605, 297686, 340858, 402647, 486940, 575210, 595372, 681716, 744215, 805294, 852145, 1041901, 1150420, 1488430, 1610588, 1704290, 2013235, 2083802, 2976860, 3408580, 4026470, 4167604, 5209505, 8052940, 10419010, 14437771, 20838020, 28875542, 57751084, 72188855, 101064397, 144377710, 202128794, 288755420, 404257588, 505321985, 1010643970, 2021287940]

約数ペア:

[(1, 2021287940), (2, 1010643970), (4, 505321985), (5, 404257588), (7, 288755420), (10, 202128794), (14, 144377710), (20, 101064397), (28, 72188855), (35, 57751084), (70, 28875542), (97, 20838020), (140, 14437771), (194, 10419010), (251, 8052940), (388, 5209505), (485, 4167604), (502, 4026470), (593, 3408580), (679, 2976860), (970, 2083802), (1004, 2013235), (1186, 1704290), (1255, 1610588), (1358, 1488430), (1757, 1150420), (1940, 1041901), (2372, 852145), (2510, 805294), (2716, 744215), (2965, 681716), (3395, 595372), (3514, 575210), (4151, 486940), (5020, 402647), (5930, 340858), (6790, 297686), (7028, 287605), (8302, 243470), (8785, 230084), (11860, 170429), (13580, 148843), (16604, 121735), (17570, 115042), (20755, 97388), (24347, 83020), (35140, 57521), (41510, 48694)]