28862240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 144

約数和(自身を含む): 80269056

約数和(自身を除く): 51406816

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 31, 32, 40, 44, 46, 55, 62, 80, 88, 92, 110, 115, 124, 155, 160, 176, 184, 220, 230, 248, 253, 310, 341, 352, 368, 440, 460, 496, 506, 529, 620, 682, 713, 736, 880, 920, 992, 1012, 1058, 1240, 1265, 1364, 1426, 1705, 1760, 1840, 2024, 2116, 2480, 2530, 2645, 2728, 2852, 3410, 3565, 3680, 4048, 4232, 4960, 5060, 5290, 5456, 5704, 5819, 6820, 7130, 7843, 8096, 8464, 10120, 10580, 10912, 11408, 11638, 13640, 14260, 15686, 16399, 16928, 20240, 21160, 22816, 23276, 27280, 28520, 29095, 31372, 32798, 39215, 40480, 42320, 46552, 54560, 57040, 58190, 62744, 65596, 78430, 81995, 84640, 93104, 114080, 116380, 125488, 131192, 156860, 163990, 180389, 186208, 232760, 250976, 262384, 313720, 327980, 360778, 465520, 524768, 627440, 655960, 721556, 901945, 931040, 1254880, 1311920, 1443112, 1803890, 2623840, 2886224, 3607780, 5772448, 7215560, 14431120, 28862240]

約数ペア:

[(1, 28862240), (2, 14431120), (4, 7215560), (5, 5772448), (8, 3607780), (10, 2886224), (11, 2623840), (16, 1803890), (20, 1443112), (22, 1311920), (23, 1254880), (31, 931040), (32, 901945), (40, 721556), (44, 655960), (46, 627440), (55, 524768), (62, 465520), (80, 360778), (88, 327980), (92, 313720), (110, 262384), (115, 250976), (124, 232760), (155, 186208), (160, 180389), (176, 163990), (184, 156860), (220, 131192), (230, 125488), (248, 116380), (253, 114080), (310, 93104), (341, 84640), (352, 81995), (368, 78430), (440, 65596), (460, 62744), (496, 58190), (506, 57040), (529, 54560), (620, 46552), (682, 42320), (713, 40480), (736, 39215), (880, 32798), (920, 31372), (992, 29095), (1012, 28520), (1058, 27280), (1240, 23276), (1265, 22816), (1364, 21160), (1426, 20240), (1705, 16928), (1760, 16399), (1840, 15686), (2024, 14260), (2116, 13640), (2480, 11638), (2530, 11408), (2645, 10912), (2728, 10580), (2852, 10120), (3410, 8464), (3565, 8096), (3680, 7843), (4048, 7130), (4232, 6820), (4960, 5819), (5060, 5704), (5290, 5456)]