2728589620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 6365979648

約数和(自身を除く): 3637390028

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 73, 76, 95, 124, 146, 155, 167, 190, 292, 310, 334, 361, 365, 380, 589, 620, 668, 722, 730, 835, 1178, 1387, 1444, 1460, 1670, 1805, 2263, 2356, 2774, 2945, 3173, 3340, 3610, 4526, 5177, 5548, 5890, 6346, 6935, 7220, 9052, 10354, 11191, 11315, 11780, 12191, 12692, 13870, 15865, 20708, 22382, 22630, 24382, 25885, 26353, 27740, 31730, 42997, 44764, 45260, 48764, 51770, 52706, 55955, 60287, 60955, 63460, 85994, 98363, 103540, 105412, 111910, 120574, 121910, 131765, 171988, 196726, 214985, 223820, 231629, 241148, 243820, 263530, 301435, 377921, 393452, 429970, 463258, 491815, 527060, 602870, 755842, 816943, 859940, 926516, 983630, 1158145, 1205740, 1511684, 1633886, 1868897, 1889605, 1967260, 2316290, 3267772, 3737794, 3779210, 4084715, 4400951, 4632580, 7180499, 7475588, 7558420, 8169430, 8801902, 9344485, 14360998, 16338860, 17603804, 18688970, 22004755, 28721996, 35902495, 37377940, 44009510, 71804990, 88019020, 136429481, 143609980, 272858962, 545717924, 682147405, 1364294810, 2728589620]

約数ペア:

[(1, 2728589620), (2, 1364294810), (4, 682147405), (5, 545717924), (10, 272858962), (19, 143609980), (20, 136429481), (31, 88019020), (38, 71804990), (62, 44009510), (73, 37377940), (76, 35902495), (95, 28721996), (124, 22004755), (146, 18688970), (155, 17603804), (167, 16338860), (190, 14360998), (292, 9344485), (310, 8801902), (334, 8169430), (361, 7558420), (365, 7475588), (380, 7180499), (589, 4632580), (620, 4400951), (668, 4084715), (722, 3779210), (730, 3737794), (835, 3267772), (1178, 2316290), (1387, 1967260), (1444, 1889605), (1460, 1868897), (1670, 1633886), (1805, 1511684), (2263, 1205740), (2356, 1158145), (2774, 983630), (2945, 926516), (3173, 859940), (3340, 816943), (3610, 755842), (4526, 602870), (5177, 527060), (5548, 491815), (5890, 463258), (6346, 429970), (6935, 393452), (7220, 377921), (9052, 301435), (10354, 263530), (11191, 243820), (11315, 241148), (11780, 231629), (12191, 223820), (12692, 214985), (13870, 196726), (15865, 171988), (20708, 131765), (22382, 121910), (22630, 120574), (24382, 111910), (25885, 105412), (26353, 103540), (27740, 98363), (31730, 85994), (42997, 63460), (44764, 60955), (45260, 60287), (48764, 55955), (51770, 52706)]