204080380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1039}}^1$

素因数の和:1139

約数の個数: 96

約数和(自身を含む): 519966720

約数和(自身を除く): 315886340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 61, 70, 92, 115, 122, 140, 161, 230, 244, 305, 322, 427, 460, 610, 644, 805, 854, 1039, 1220, 1403, 1610, 1708, 2078, 2135, 2806, 3220, 4156, 4270, 5195, 5612, 7015, 7273, 8540, 9821, 10390, 14030, 14546, 19642, 20780, 23897, 28060, 29092, 36365, 39284, 47794, 49105, 63379, 72730, 95588, 98210, 119485, 126758, 145460, 167279, 196420, 238970, 253516, 316895, 334558, 443653, 477940, 633790, 669116, 836395, 887306, 1267580, 1457717, 1672790, 1774612, 2218265, 2915434, 3345580, 4436530, 5830868, 7288585, 8873060, 10204019, 14577170, 20408038, 29154340, 40816076, 51020095, 102040190, 204080380]

約数ペア:

[(1, 204080380), (2, 102040190), (4, 51020095), (5, 40816076), (7, 29154340), (10, 20408038), (14, 14577170), (20, 10204019), (23, 8873060), (28, 7288585), (35, 5830868), (46, 4436530), (61, 3345580), (70, 2915434), (92, 2218265), (115, 1774612), (122, 1672790), (140, 1457717), (161, 1267580), (230, 887306), (244, 836395), (305, 669116), (322, 633790), (427, 477940), (460, 443653), (610, 334558), (644, 316895), (805, 253516), (854, 238970), (1039, 196420), (1220, 167279), (1403, 145460), (1610, 126758), (1708, 119485), (2078, 98210), (2135, 95588), (2806, 72730), (3220, 63379), (4156, 49105), (4270, 47794), (5195, 39284), (5612, 36365), (7015, 29092), (7273, 28060), (8540, 23897), (9821, 20780), (10390, 19642), (14030, 14546)]