4120020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 12789504

約数和(自身を除く): 8669484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 487, 564, 705, 846, 940, 974, 1410, 1461, 1692, 1948, 2115, 2435, 2820, 2922, 4230, 4383, 4870, 5844, 7305, 8460, 8766, 9740, 14610, 17532, 21915, 22889, 29220, 43830, 45778, 68667, 87660, 91556, 114445, 137334, 206001, 228890, 274668, 343335, 412002, 457780, 686670, 824004, 1030005, 1373340, 2060010, 4120020]

約数ペア:

[(1, 4120020), (2, 2060010), (3, 1373340), (4, 1030005), (5, 824004), (6, 686670), (9, 457780), (10, 412002), (12, 343335), (15, 274668), (18, 228890), (20, 206001), (30, 137334), (36, 114445), (45, 91556), (47, 87660), (60, 68667), (90, 45778), (94, 43830), (141, 29220), (180, 22889), (188, 21915), (235, 17532), (282, 14610), (423, 9740), (470, 8766), (487, 8460), (564, 7305), (705, 5844), (846, 4870), (940, 4383), (974, 4230), (1410, 2922), (1461, 2820), (1692, 2435), (1948, 2115)]