1788478520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{3229}}^1$

素因数の和:3528

約数の個数: 64

約数和(自身を含む): 4109335200

約数和(自身を除く): 2320856680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 227, 244, 305, 454, 488, 610, 908, 1135, 1220, 1816, 2270, 2440, 3229, 4540, 6458, 9080, 12916, 13847, 16145, 25832, 27694, 32290, 55388, 64580, 69235, 110776, 129160, 138470, 196969, 276940, 393938, 553880, 732983, 787876, 984845, 1465966, 1575752, 1969690, 2931932, 3664915, 3939380, 5863864, 7329830, 7878760, 14659660, 29319320, 44711963, 89423926, 178847852, 223559815, 357695704, 447119630, 894239260, 1788478520]

約数ペア:

[(1, 1788478520), (2, 894239260), (4, 447119630), (5, 357695704), (8, 223559815), (10, 178847852), (20, 89423926), (40, 44711963), (61, 29319320), (122, 14659660), (227, 7878760), (244, 7329830), (305, 5863864), (454, 3939380), (488, 3664915), (610, 2931932), (908, 1969690), (1135, 1575752), (1220, 1465966), (1816, 984845), (2270, 787876), (2440, 732983), (3229, 553880), (4540, 393938), (6458, 276940), (9080, 196969), (12916, 138470), (13847, 129160), (16145, 110776), (25832, 69235), (27694, 64580), (32290, 55388)]