400864080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{98251}}^1$

素因数の和:98284

約数の個数: 80

約数和(自身を含む): 1315790784

約数和(自身を除く): 914926704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 98251, 196502, 294753, 393004, 491255, 589506, 786008, 982510, 1179012, 1473765, 1572016, 1670267, 1965020, 2358024, 2947530, 3340534, 3930040, 4716048, 5010801, 5895060, 6681068, 7860080, 8351335, 10021602, 11790120, 13362136, 16702670, 20043204, 23580240, 25054005, 26724272, 33405340, 40086408, 50108010, 66810680, 80172816, 100216020, 133621360, 200432040, 400864080]

約数ペア:

[(1, 400864080), (2, 200432040), (3, 133621360), (4, 100216020), (5, 80172816), (6, 66810680), (8, 50108010), (10, 40086408), (12, 33405340), (15, 26724272), (16, 25054005), (17, 23580240), (20, 20043204), (24, 16702670), (30, 13362136), (34, 11790120), (40, 10021602), (48, 8351335), (51, 7860080), (60, 6681068), (68, 5895060), (80, 5010801), (85, 4716048), (102, 3930040), (120, 3340534), (136, 2947530), (170, 2358024), (204, 1965020), (240, 1670267), (255, 1572016), (272, 1473765), (340, 1179012), (408, 982510), (510, 786008), (680, 589506), (816, 491255), (1020, 393004), (1360, 294753), (2040, 196502), (4080, 98251)]