217142380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{521}}^1$

素因数の和:779

約数の個数: 96

約数和(自身を含む): 564762240

約数和(自身を除く): 347619860

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 229, 260, 364, 455, 458, 521, 910, 916, 1042, 1145, 1603, 1820, 2084, 2290, 2605, 2977, 3206, 3647, 4580, 5210, 5954, 6412, 6773, 7294, 8015, 10420, 11908, 13546, 14588, 14885, 16030, 18235, 20839, 27092, 29770, 32060, 33865, 36470, 41678, 47411, 59540, 67730, 72940, 83356, 94822, 104195, 119309, 135460, 189644, 208390, 237055, 238618, 416780, 474110, 477236, 596545, 835163, 948220, 1193090, 1551017, 1670326, 2386180, 3102034, 3340652, 4175815, 6204068, 7755085, 8351630, 10857119, 15510170, 16703260, 21714238, 31020340, 43428476, 54285595, 108571190, 217142380]

約数ペア:

[(1, 217142380), (2, 108571190), (4, 54285595), (5, 43428476), (7, 31020340), (10, 21714238), (13, 16703260), (14, 15510170), (20, 10857119), (26, 8351630), (28, 7755085), (35, 6204068), (52, 4175815), (65, 3340652), (70, 3102034), (91, 2386180), (130, 1670326), (140, 1551017), (182, 1193090), (229, 948220), (260, 835163), (364, 596545), (455, 477236), (458, 474110), (521, 416780), (910, 238618), (916, 237055), (1042, 208390), (1145, 189644), (1603, 135460), (1820, 119309), (2084, 104195), (2290, 94822), (2605, 83356), (2977, 72940), (3206, 67730), (3647, 59540), (4580, 47411), (5210, 41678), (5954, 36470), (6412, 33865), (6773, 32060), (7294, 29770), (8015, 27092), (10420, 20839), (11908, 18235), (13546, 16030), (14588, 14885)]