28899970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 59460480

約数和(自身を除く): 30560510

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 61, 73, 110, 118, 122, 146, 295, 305, 365, 590, 610, 649, 671, 730, 803, 1298, 1342, 1606, 3245, 3355, 3599, 4015, 4307, 4453, 6490, 6710, 7198, 8030, 8614, 8906, 17995, 21535, 22265, 35990, 39589, 43070, 44530, 47377, 48983, 79178, 94754, 97966, 197945, 236885, 244915, 262727, 395890, 473770, 489830, 525454, 1313635, 2627270, 2889997, 5779994, 14449985, 28899970]

約数ペア:

[(1, 28899970), (2, 14449985), (5, 5779994), (10, 2889997), (11, 2627270), (22, 1313635), (55, 525454), (59, 489830), (61, 473770), (73, 395890), (110, 262727), (118, 244915), (122, 236885), (146, 197945), (295, 97966), (305, 94754), (365, 79178), (590, 48983), (610, 47377), (649, 44530), (671, 43070), (730, 39589), (803, 35990), (1298, 22265), (1342, 21535), (1606, 17995), (3245, 8906), (3355, 8614), (3599, 8030), (4015, 7198), (4307, 6710), (4453, 6490)]