407349740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 1061786880

約数和(自身を除く): 654437140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 131, 133, 140, 167, 190, 196, 245, 262, 266, 334, 380, 490, 524, 532, 655, 665, 668, 835, 917, 931, 980, 1169, 1310, 1330, 1670, 1834, 1862, 2338, 2489, 2620, 2660, 3173, 3340, 3668, 3724, 4585, 4655, 4676, 4978, 5845, 6346, 6419, 8183, 9170, 9310, 9956, 11690, 12445, 12692, 12838, 15865, 16366, 17423, 18340, 18620, 21877, 22211, 23380, 24890, 25676, 31730, 32095, 32732, 34846, 40915, 43754, 44422, 49780, 63460, 64190, 69692, 81830, 87115, 87508, 88844, 109385, 111055, 121961, 128380, 153139, 155477, 163660, 174230, 218770, 222110, 243922, 306278, 310954, 348460, 415663, 437540, 444220, 487844, 609805, 612556, 621908, 765695, 777385, 831326, 1071973, 1219610, 1531390, 1554770, 1662652, 2078315, 2143946, 2439220, 2909641, 3062780, 3109540, 4156630, 4287892, 5359865, 5819282, 8313260, 10719730, 11638564, 14548205, 20367487, 21439460, 29096410, 40734974, 58192820, 81469948, 101837435, 203674870, 407349740]

約数ペア:

[(1, 407349740), (2, 203674870), (4, 101837435), (5, 81469948), (7, 58192820), (10, 40734974), (14, 29096410), (19, 21439460), (20, 20367487), (28, 14548205), (35, 11638564), (38, 10719730), (49, 8313260), (70, 5819282), (76, 5359865), (95, 4287892), (98, 4156630), (131, 3109540), (133, 3062780), (140, 2909641), (167, 2439220), (190, 2143946), (196, 2078315), (245, 1662652), (262, 1554770), (266, 1531390), (334, 1219610), (380, 1071973), (490, 831326), (524, 777385), (532, 765695), (655, 621908), (665, 612556), (668, 609805), (835, 487844), (917, 444220), (931, 437540), (980, 415663), (1169, 348460), (1310, 310954), (1330, 306278), (1670, 243922), (1834, 222110), (1862, 218770), (2338, 174230), (2489, 163660), (2620, 155477), (2660, 153139), (3173, 128380), (3340, 121961), (3668, 111055), (3724, 109385), (4585, 88844), (4655, 87508), (4676, 87115), (4978, 81830), (5845, 69692), (6346, 64190), (6419, 63460), (8183, 49780), (9170, 44422), (9310, 43754), (9956, 40915), (11690, 34846), (12445, 32732), (12692, 32095), (12838, 31730), (15865, 25676), (16366, 24890), (17423, 23380), (18340, 22211), (18620, 21877)]