29803720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1069}}^1$

素因数の和:1138

約数の個数: 64

約数和(自身を含む): 72802800

約数和(自身を除く): 42999080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1069, 1394, 1640, 2138, 2788, 3485, 4276, 5345, 5576, 6970, 8552, 10690, 13940, 18173, 21380, 27880, 36346, 42760, 43829, 72692, 87658, 90865, 145384, 175316, 181730, 219145, 350632, 363460, 438290, 726920, 745093, 876580, 1490186, 1753160, 2980372, 3725465, 5960744, 7450930, 14901860, 29803720]

約数ペア:

[(1, 29803720), (2, 14901860), (4, 7450930), (5, 5960744), (8, 3725465), (10, 2980372), (17, 1753160), (20, 1490186), (34, 876580), (40, 745093), (41, 726920), (68, 438290), (82, 363460), (85, 350632), (136, 219145), (164, 181730), (170, 175316), (205, 145384), (328, 90865), (340, 87658), (410, 72692), (680, 43829), (697, 42760), (820, 36346), (1069, 27880), (1394, 21380), (1640, 18173), (2138, 13940), (2788, 10690), (3485, 8552), (4276, 6970), (5345, 5576)]