28974390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 71995392

約数和(自身を除く): 43021002

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 71, 122, 142, 183, 213, 223, 305, 355, 366, 426, 446, 610, 669, 710, 915, 1065, 1115, 1338, 1830, 2130, 2230, 3345, 4331, 6690, 8662, 12993, 13603, 15833, 21655, 25986, 27206, 31666, 40809, 43310, 47499, 64965, 68015, 79165, 81618, 94998, 129930, 136030, 158330, 204045, 237495, 408090, 474990, 965813, 1931626, 2897439, 4829065, 5794878, 9658130, 14487195, 28974390]

約数ペア:

[(1, 28974390), (2, 14487195), (3, 9658130), (5, 5794878), (6, 4829065), (10, 2897439), (15, 1931626), (30, 965813), (61, 474990), (71, 408090), (122, 237495), (142, 204045), (183, 158330), (213, 136030), (223, 129930), (305, 94998), (355, 81618), (366, 79165), (426, 68015), (446, 64965), (610, 47499), (669, 43310), (710, 40809), (915, 31666), (1065, 27206), (1115, 25986), (1338, 21655), (1830, 15833), (2130, 13603), (2230, 12993), (3345, 8662), (4331, 6690)]