238400520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5081}}^1$

素因数の和:5135

約数の個数: 128

約数和(自身を含む): 790352640

約数和(自身を除く): 551952120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 680, 690, 782, 920, 1020, 1173, 1380, 1564, 1955, 2040, 2346, 2760, 3128, 3910, 4692, 5081, 5865, 7820, 9384, 10162, 11730, 15243, 15640, 20324, 23460, 25405, 30486, 40648, 46920, 50810, 60972, 76215, 86377, 101620, 116863, 121944, 152430, 172754, 203240, 233726, 259131, 304860, 345508, 350589, 431885, 467452, 518262, 584315, 609720, 691016, 701178, 863770, 934904, 1036524, 1168630, 1295655, 1402356, 1727540, 1752945, 1986671, 2073048, 2337260, 2591310, 2804712, 3455080, 3505890, 3973342, 4674520, 5182620, 5960013, 7011780, 7946684, 9933355, 10365240, 11920026, 14023560, 15893368, 19866710, 23840052, 29800065, 39733420, 47680104, 59600130, 79466840, 119200260, 238400520]

約数ペア:

[(1, 238400520), (2, 119200260), (3, 79466840), (4, 59600130), (5, 47680104), (6, 39733420), (8, 29800065), (10, 23840052), (12, 19866710), (15, 15893368), (17, 14023560), (20, 11920026), (23, 10365240), (24, 9933355), (30, 7946684), (34, 7011780), (40, 5960013), (46, 5182620), (51, 4674520), (60, 3973342), (68, 3505890), (69, 3455080), (85, 2804712), (92, 2591310), (102, 2337260), (115, 2073048), (120, 1986671), (136, 1752945), (138, 1727540), (170, 1402356), (184, 1295655), (204, 1168630), (230, 1036524), (255, 934904), (276, 863770), (340, 701178), (345, 691016), (391, 609720), (408, 584315), (460, 518262), (510, 467452), (552, 431885), (680, 350589), (690, 345508), (782, 304860), (920, 259131), (1020, 233726), (1173, 203240), (1380, 172754), (1564, 152430), (1955, 121944), (2040, 116863), (2346, 101620), (2760, 86377), (3128, 76215), (3910, 60972), (4692, 50810), (5081, 46920), (5865, 40648), (7820, 30486), (9384, 25405), (10162, 23460), (11730, 20324), (15243, 15640)]